doc changes about CRT migration (#13433)

* doc changes about CRT migration

* docs changes suggested

* docs changes suggested

* docs changes suggested

* typo fix

* typo fix

packer_test/common/plugin_tester/docs/README.md

@@ -33,6 +33,12 @@ packer {
 }
 ```
 
+Note: With the new Packer release starting from version 1.14.0, the packer init command will automatically install official (Amazon, Ansible, Azure, Docker, GoogleCloudPlatform, Qemu, Vagrant, VirtualBox) plugins from the [HashiCorp release site](https://releases.hashicorp.com/). 
+These official plugins will now be released through the official release site only.
+
+Going forward, to use newer versions of official Packer plugins, you'll need to upgrade to Packer version 1.14.0 or later. If you're using an older version, you can still install plugins, but as a workaround, you'll need to [manually install them using the CLI](https://developer.hashicorp.com/packer/docs/plugins/install#manually-install-plugins-using-the-cli).
+There is no change to the syntax or commands for installing plugins.
+
 #### Manual installation
 
 You can find pre-built binary releases of the plugin [here](https://github.com/hashicorp/packer-plugin-name/releases).

website/content/docs/plugins/install.mdx

@@ -69,6 +69,12 @@ pinning plugin versions for build reproducibility. Refer to the [`packer` block
 
 1. Run the `packer init` command. Packer lists all installed plugins then installs the latest plugin version matching the version constraints specified in the `required_plugins` block. Refer to the [`init` command reference](/packer/docs/commands/init) for additional information.
 
+~> Note: With the new Packer release starting from version 1.14.0, the packer init command will automatically install official (Amazon, Ansible, Azure, Docker, GoogleCloudPlatform, Qemu, Vagrant, VirtualBox) plugins from the [HashiCorp release site](https://releases.hashicorp.com/).
+These official plugins will now be released through the official release site only.
+
+Going forward, to use newer versions of official Packer plugins, you'll need to upgrade to Packer version 1.14.0 or later. If you're using an older version, you can still install plugins, but as a workaround, you'll need to [manually install them using the CLI](https://developer.hashicorp.com/packer/docs/plugins/install#manually-install-plugins-using-the-cli).
+There is no change to the syntax or commands for installing plugins.
+
 ## Manually install plugins using the CLI
 
 You can use the `packer plugins install` command to manually install plugin binaries.