fix: same vcs info appened twice when running jf rt build-add-git command twice

[gerrnot]

• [x] All tests passed. If this feature is not already covered by the tests, I added new tests.
• [x] All static analysis checks passed.
• [x] This pull request is on the dev branch.
• [x] I used gofmt for formatting the code before submitting the pull request.

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[gerrnot]

@eyalbe4 Thanks! I found evidence that this whould be fixed by a go upgrade, so I merged the already approved (at least partly) sibling PR: https://github.com/jfrog/build-info-go/pull/249

[EyalDelarea]

Hey @gerrnot

We've just update to go 1.22.3, Can you confirm that the issue is resolved by updating the go version?

[github-actions[bot]]

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[gerrnot]

I have read the CLA Document and I hereby sign the CLA

[gerrnot]

@EyalDelarea Thanks, yes, the build was green after that. I rebased.