fix(checkout_tag): only show commit message in solution
fix(checkout_tag): only show commit message in solution

The solution now uses a format flag to only show the commit message.
This fixes an issue if the users name contains UTF-8 characters.

FP-QAs/githug,FP-QAs/githug,Gazler/githug,FP-QAs/githug,FP-QAs/githug,Gazler/githug,Gazler/githug