chore(ci-visibility): fix git temp dir

[gnufede]

CI Visibility: If there is an exception while using the temporary dir to unpack git commits, use cwd instead.

This is an issue that happens on certain CI environments, not just for Python.

Checklist

• Change(s) are motivated and described in the PR description.
• Testing strategy is described if automated tests are not included in the PR.
• Risk is outlined (performance impact, potential for breakage, maintainability, etc).
• Change is maintainable (easy to change, telemetry, documentation).
• Library release note guidelines are followed.
• Documentation is included (in-code, generated user docs, public corp docs).

Reviewer Checklist

• Title is accurate.
• No unnecessary changes are introduced.
• Description motivates each change.
• Avoids breaking API changes unless absolutely necessary.
• Testing strategy adequately addresses listed risk(s).
• Change is maintainable (easy to change, telemetry, documentation).
• Release note makes sense to a user of the library.
• Reviewer has explicitly acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment.

[pr-commenter]

Benchmarks

Comparing candidate commit 21df7d7 in PR branch gnufede/fix-git-temp-dir with baseline commit 08e3965 in branch 1.x.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 90 cases.

[majorgreys]

Can you add a manual test for this change?