Redirect http://someproject.git to http://someproject

What does this MR do?

If an user tries to open the git-page http://someproject.git in a browser, he gets redirection to the http-page of project http://someproject.

Why was this MR needed?

ActionController::UnknownFormat error raises when you try to open a .git URL in a browser.

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #26275 (closed)