chore(deps): upgrade github.com/go-git/go-git/v5 to v5.13.1

[chengfang]

What type of PR is this?
/kind enhancement

What does this PR do / why we need it:
Upgrade go-git library to 5.13.1 to fix CVEs CVE-2025-21614 and CVE-2025-21613

Have you updated the necessary documentation?

• Documentation update is required by this PR.
• Documentation has been updated.

Which issue(s) this PR fixes:

Fixes #?

How to test changes / Special notes to the reviewer:
This is a big bump from 5.1.0 to 5.13.1, so there are quite some version changes across various libs.

[openshift-ci]

Hi @chengfang. Thanks for your PR.

I'm waiting for a redhat-developer member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[keithchong]

LGTM

[ishitasequeira]

/lgtm

[ishitasequeira]

/ok-to-test

[ishitasequeira]

/approve

[svghadi]

/retest

[svghadi]

/lgtm
/approve

[chetan-rns]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chetan-rns, ishitasequeira, svghadi

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