FEAT: go-git verify-tag / go-git verify-commit

[xnox]

In the cli, it would be nice if it is at all possible to implement the equivalent of git verify-tag / git verify-commit.

If at all possible, given it is confusing where to find the public key keyrings.

[github-actions]

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[pjbgf]

Moved this here as we are removing the /cli from the go-git repository.