chore: Rewrite verify-commits script

[mathbunnyru]

1. More clear comments and removed comments that didn't add value
2. Better function names
3. git describe --exact-match --tags HEAD will work for both annotated tag and lightweight
4. Empty version was silently ok
5. No :
6. No return 0, so all code looks more uniform

[Copilot]

Pull request overview

Rewrites the pre-push pre-commit hook that enforces signed release commits and annotated/signed tags, aiming for clearer output and stricter validation around tagging.

Changes:

• Updated hook messaging and removed no-op : branches / explicit return 0 usage.
• Split tag checks into clearer functions (annotated vs signed) and added an explicit “no tag at HEAD” failure.
• Adjusted release-branch detection and release output formatting.

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[Copilot]

Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated 3 comments.