Because github update tls protocal from 1.0 to 1.2, we need to set the protocal Tls1.2.

Add Stop-RancherComponent function in rancher-tools.psm1.
Fix bug of https://github.com/rancher/rancher/issues/10662 and
https://github.com/rancher/rancher/issues/11302.

Fix typo "Compoment" to "Component"

Refactor Windows Bootstrap Agent and Add auto upgrade support.

Related issue https://github.com/rancher/rancher/issues/10662
In order to support auto upgrade in Windows, add a new ps script for download and update binaries from rancher server.

The crash-loop.ps1 script need to be set to be your failure action of your service.

When we upgrading rancher server, we will need to stop Rancher server for a while.
Then rancher-agent will stop because of it.
And crash-loop.ps1 will be run and keep connectting to Rancher server, download the newest binaries into the host and start the service again.

1. Move most of the common logic into rancher-tools.psm1
2. Fix the add host issue https://github.com/rancher/rancher/issues/11303
3. No more download binaries in bootstrap agent. Download them when running the startup.ps1 script.

Related issue https://github.com/rancher/rancher/issues/11173
Check download folder before remove it.