Fix migrating-to-internal-repositories command pipe whitespace (github#31779)

Co-authored-by: Alex Nguyen <[email protected]>

Author: janbrasna

content/admin/managing-accounts-and-repositories/managing-repositories-in-your-enterprise/migrating-to-internal-repositories.md

@@ -44,7 +44,7 @@ If you don't have private mode enabled, the migration script will have no effect
 1. 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
+   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 %}