Fix link to blog post

Add note for deprecated provisioner plugins

* Update CHANGELOG

* add a link
Co-authored-by: Adrien Delorme <azr@users.noreply.github.com>

This PR introduces Versioned-Docs to Packer!

* fix(algolia-index): npm install -g npm@latest

* fix(algolia-index): `ts-node`

* fix(algolia-index): ts errors

* Fail for revoked iterations

* check if iteration is revoked on GetIteration

* fix fmt

* feat: extract `/plugins`
Co-authored-by: Zachary Shilton <4624598+zchsh@users.noreply.github.com>
Co-authored-by: Adrien Delorme <azr@users.noreply.github.com>

* feat: backport.yaml

* Update .github/workflows/backport.yml
Co-authored-by: Bryce Kalow <bkalow@hashicorp.com>

Run ./scripts/update-plugins and go mod tidy

When obtaining image metadata for a HCP Packer build, Packer core will
use mapstructure to decode the image metadata and validate that is has
all of the required data set. Before this change Packer core would fail
if there is extra metadata fields in the image metadata that Packer is
  not aware.

This change removes the restriction of erroring on unused metadata
fields. Packer should only care about the fields it knows and ignore the
rest. In the future, we will add new fields to the SDK but plugins may
begin sending that data sooner.

* refactor(website): use prop and CSS for plugin label spacing

* fix: add official tier label to built-in plugin docs

* feat(website): add BadgesHeader component

* refactor(website): use BadgesHeader in all content

* feat(website): add HCP ready demo, tweak badge look

* refactor: integrate work from add-plugin-version branch

* fix(website): correct bad import

* fix: use updated MDX custom component

* chore: remove plugin version label work from this branch

* chore: remove unused var

* fix: use new BadgesHeader interface for dual tags

* chore: remove unused var, refine comment

* fix: remove unused broken import

* fix: shorten property for HCP packer readiness

* Apply suggestions from code review

Remove a few demo labels before merging
Co-authored-by: Wilken Rivera <dev@wilkenrivera.com>

Update Contributor docs to clone repo instead of go get packer

Bumps [next](https://github.com/vercel/next.js) from 11.1.2 to 11.1.3.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/compare/v11.1.2...v11.1.3

)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Fix docs about running specific provisioners

* Update website/content/docs/templates/hcl_templates/blocks/build/provisioner.mdx
Co-authored-by: Wilken Rivera <dev@wilkenrivera.com>

This change sets a region on the test datasource config to fix intermittent InvalidAMIID.NotFound errors.

Closes https://github.com/hashicorp/packer-internal-issues/issues/14

Failing results before change

```
> AWS_DEFAULT_REGION=us-west-1 make testacc
=== RUN   TestAccInitAndBuildBasicAmazonAmiDatasource
2021/12/07 20:40:05 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
2021/12/07 20:40:05 Found region us-west-1
2021/12/07 20:40:05 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
    pluginacc.go:143: Error running plugin acceptance tests: Bad exit code. Logfile: packer_log_amazon-ami_basic_datasource_test.txt
        Logs can be found at /Users/wilkenrivera/Development/packer/acctest/plugin/packer_log_amazon-ami_basic_datasource_test.txt
        and the acceptance test template can be found at /Users/wilkenrivera/Development/packer/acctest/plugin/amazon-ami_basic_datasource_test.pkr.hcl
--- FAIL: TestAccInitAndBuildBasicAmazonAmiDatasource (9.87s)
FAIL
FAIL    github.com/hashicorp/packer/acctest/plugin      10.326s
```

Passing results after change
```
> AWS_DEFAULT_REGION=us-west-1 make testacc
=== RUN   TestAccInitAndBuildBasicAmazonAmiDatasource
2021/12/07 20:47:28 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
2021/12/07 20:47:28 Found region us-west-1
2021/12/07 20:47:28 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
--- PASS: TestAccInitAndBuildBasicAmazonAmiDatasource (223.32s)
PASS

```

```
./scripts/upgrade_plugins.sh
go mod tidy
```

* Add basic post-processor test

Closes #11411

The auto installation of external plugins via packer init only work for
HCL templates. Since we have not officially removed all plugins (slated
for 1.8.0) I am reverting this test change. Once 1.7.9 is released we
  can begin removing plugins and optimizing the redirect experience for
  JSON-only users.