git-rename-tag: add page

[CleanMachine1]

• The page (if new), does not already exist in the repo.
• The page is in the correct platform directory (common/, linux/, etc.)
• The page has 8 or fewer examples.
• The PR title conforms to the recommended templates.
• The page follows the content guidelines.
• The page description includes a link to documentation or a homepage (if applicable).

For #5137

See #5950 for what I based this on

[tldr-bot]

The build for this PR failed with the following error(s):

pages/common/git-rename-tag.md:8: TLDR103 Command example is missing its closing backtick

Please fix the error(s) and push again.

[bl-ue]

Why did you close this PR @CleanMachine1?

[CleanMachine1]

Since I wanted to see if I would get a perfect PR without the mess.
Sorry if it was against etiquette.

[bl-ue]

No problem.

[sbrl]

Tip: You can run the linter locally :-)

https://www.npmjs.com/package/tldr-lint