Add new step to migrate internal repos for 3.0+ (#18927)

* On 3.0+ we need to prefix the command with github-env to get into the container.

* greater than 2.22 not 3.0

Co-authored-by: hubwriter <hubwriter@github.com>

Author: bwestover

content/admin/user-management/migrating-to-internal-repositories.md

@@ -34,6 +34,12 @@ If you don't have private mode enabled, the migration script will have no effect
 ### Running the migration
 
 1. Connect to the administrative shell. For more information, see "[Accessing the administrative shell (SSH)](/enterprise/admin/installation/accessing-the-administrative-shell-ssh)."
+{% if currentVersion ver_gt "enterprise-server@2.22" or currentVersion == "github-ae@latest" %}
+2. Run the migration command.
+   ```shell
+   github-env bin/safe-ruby lib/github/transitions/20191210220630_convert_public_ghes_repos_to_internal.rb --verbose -w |  tee -a /tmp/convert_public_ghes_repos_to_internal.log
+   ```
+{% else %}
 2. Navigate to the `/data/github/current` directory.
    ```shell
    cd /data/github/current
@@ -42,6 +48,7 @@ If you don't have private mode enabled, the migration script will have no effect
    ```shell
    sudo bin/safe-ruby lib/github/transitions/20191210220630_convert_public_ghes_repos_to_internal.rb --verbose -w | tee -a /tmp/convert_public_ghes_repos_to_internal.log
    ```
+{% endif %}
 
 Log output will appear in the terminal and `/tmp/convert_public_ghes_repos_to_internal.log`.