agent: Clean up git exclusions after emergency (#38775)

In some rare cases, the auto-generated block gets stuck in
`.git/info/exclude`. We now auto-clean it.

Closes #38374

Release Notes:

- Remove auto-generated block from git excludes if it gets stuck there.
c5219e8fd2Oleksiy Syvokon committed on 9/24/2025, 10:58:39 AM· committed by GitHubparent5612a96
1 file changedLine totals unavailable