Don't claim that Vault obfuscates the environment variable for sensitive values, this doesn't work at least in recent version of Go, as Go makes a copy of the environment, so we're only modifying that one, and not the one visible to the rest of the system (#13252)

* adding custom_metadata read and update changes

* adding custom metadata changes

* Add a new parameter "allowed_managed_keys" to mount config

* Adjust formatting in mount.go

* Add changelog entry

* incorporated feedback

* fixed link

* fixed link again

* found another error

* version bumps

* updated chart options

* change default vaule for disable_iss_validation to be true

* mark as deprecated | remove issuer from sample

* deprecation section

* additional informaiton about when fields will be removed

* additional deprecation note under csi provider

* punctuation

* make the deprecation note more noticable

* missing issuer sentence | remove whitespace

* Update website/content/docs/platform/k8s/csi/index.mdx
Co-authored-by: Ben Ash <32777270+benashz@users.noreply.github.com>

* cleanup

* additional deprecation comments

* fix discovery link

* highlight

* no need to configure the issuer
Co-authored-by: Ben Ash <32777270+benashz@users.noreply.github.com>

* OIDC: add note on PKCE support for code flow

* add changelog

* remove changelong

* post 1-9 doc changes

* fixed endpoint sample

* Update website/content/docs/release-notes/1.9.0.mdx
Co-authored-by: Yoko Hyakuna <yoko@hashicorp.com>
Co-authored-by: Yoko Hyakuna <yoko@hashicorp.com>

* Remove old guides folder and its contents

* Remove the guide-nav file

* Remove the guides page

* new document for feature deprecation notice

* fixed errors

* Update website/content/docs/feature-deprecation-notice.mdx
Co-authored-by: Meggie <meggie@hashicorp.com>

* Update website/content/docs/feature-deprecation-notice.mdx
Co-authored-by: Meggie <meggie@hashicorp.com>

* Update website/content/docs/feature-deprecation-notice.mdx
Co-authored-by: Rosemary Wang <915624+joatmon08@users.noreply.github.com>

* Update website/content/docs/feature-deprecation-notice.mdx
Co-authored-by: Rosemary Wang <915624+joatmon08@users.noreply.github.com>

* Update feature-deprecation-notice.mdx

* added new faq page

* added content for faq

* updated faq page based on aarti's feedback

* added client count faq

* fixed a broken link

* added links

* fixed spacing issue

* added new release notes page

* edited the client count faq

* edited the feature deprecation faq

* edited the featue deprecation notice and plans

* edited the release notes

* added new oidc provider doc

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* incorporated feedback

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>

* changed mnt_acc to mount_accessor

* rewritting content

* added doc link

* fixed link error

* fixed spacing error

* incorporate additional feedback

* more feedback

* incorporated more feedback

* fixed headings

* fixed a heading

* incorproate changes

* incorporate feedback

* modified RN based on feedback

* Update website/content/docs/concepts/oidc-provider.mdx
Co-authored-by: Austin Gebauer <34121980+austingebauer@users.noreply.github.com>

* updated final release notes

* updated image

* fixed link

* added a new hyperlink to the etcd document

* add and modify notes; update scope template

* break identity docs into separate pages

* fix nav for identity token

* fix nav links; add links on overview

* use real example IDs

* fix typos

* incorporated additional feedback
Co-authored-by: Meggie <meggie@hashicorp.com>
Co-authored-by: Rosemary Wang <915624+joatmon08@users.noreply.github.com>
Co-authored-by: John-Michael Faircloth <fairclothjm@users.noreply.github.com>
Co-authored-by: Austin Gebauer <34121980+austingebauer@users.noreply.github.com>
Co-authored-by: JM Faircloth <jmfaircloth@hashicorp.com>

* some client count docs updates

* Update website/content/docs/concepts/client-count.mdx
Co-authored-by: swayne275 <swayne275@gmail.com>

* remove full link path

* more path shortening for urls
Co-authored-by: swayne275 <swayne275@gmail.com>

* docs for counting tokens without entities

* Update website/content/docs/concepts/client-count.mdx
Co-authored-by: swayne275 <swayne275@gmail.com>

* remove parens in docs

* Update website/content/docs/concepts/client-count.mdx
Co-authored-by: Nick Cabatoff <ncabatoff@hashicorp.com>

* Update website/content/docs/concepts/client-count.mdx
Co-authored-by: Nick Cabatoff <ncabatoff@hashicorp.com>

* update documentation to be consistent with the non-entity token terminology

* Update website/content/docs/concepts/client-count.mdx
Co-authored-by: Loann Le <84412881+taoism4504@users.noreply.github.com>

* Update website/content/docs/concepts/client-count.mdx
Co-authored-by: Loann Le <84412881+taoism4504@users.noreply.github.com>

* add line about client ids to the api docs

* syntax and grammar
Co-authored-by: swayne275 <swayne275@gmail.com>
Co-authored-by: Nick Cabatoff <ncabatoff@hashicorp.com>
Co-authored-by: Loann Le <84412881+taoism4504@users.noreply.github.com>

* add api lock doc

* add docs nav data

* Update website/content/api-docs/system/namespaces.mdx
Co-authored-by: Chris Capurso <christopher.capurso@gmail.com>

* update command doc

* clarify locked http status code

* add example exempt path

* further exempt clarification

* link api locked response

* add x-vault-namespace api example

* Update website/content/docs/concepts/namespace-api-lock.mdx
Co-authored-by: Loann Le <84412881+taoism4504@users.noreply.github.com>

* review suggestions

* few other small tweaks
Co-authored-by: Chris Capurso <christopher.capurso@gmail.com>
Co-authored-by: Loann Le <84412881+taoism4504@users.noreply.github.com>

* Add read support to sys/mounts/:path

Closes https://github.com/hashicorp/vault/issues/12349

* Add changelog entry

* Empty commit to trigger CI

* Empty commit to trigger CI

* Consistency: GPG keys are PGP keys

* Consistency: GPG keys are PGP keys

* Consistency: GPG keys are PGP keys

* Consistency: GPG keys are PGP keys

* Consistency: GPG keys are PGP keys

* Consistency: s/GPG/PGP keys, use GPG's proper name

* Use GPG's proper name GnuPG

* Use GPG's proper name GnuPG

* Consistency: GPG keys are PGP keys

* Fix typo

* Add note that monitor command may truncate logs

* Apply suggestions from code review
Co-authored-by: Nick Cabatoff <ncabatoff@hashicorp.com>
Co-authored-by: Nick Cabatoff <ncabatoff@hashicorp.com>

* secrets/azure: add doc for rotate-root and AAD migration

* Formatting

* Fix bad link, update warnings

error seen on host /var/log/auth.log:
  userauth_pubkey: certificate signature algorithm ssh-rsa: signature algorithm not supported [preauth]

* add docs for OIDC provider and scopes

* fix json formatting

* add oidc docs path to nav data

* create provider with scope

* update client ids description

* update provider and scope docs

* add issuer string additional docs info

* OIDC: docs for oidc flow endpoints

* fix formatting and wording

* improve headings, formatting; fix wording
Co-authored-by: Vinay Gopalan <vinay@hashicorp.com>

* adding documentation changes

* adding requested changes

* adding suggested changes

Added a note that agent cache requires at least one listener or template
to be defined in the config, and a couple spelling corrections.
Co-authored-by: Tom Proctor <tomhjp@users.noreply.github.com>