ci: bump msys2/setup-msys2 from 2.30.0 to 2.31.0 in the github-actions group across 1 directory (#38601)

ci: bump msys2/setup-msys2

Bumps the github-actions group with 1 update in the / directory: [msys2/setup-msys2](https://github.com/msys2/setup-msys2).


Updates `msys2/setup-msys2` from 2.30.0 to 2.31.0
- [Release notes](https://github.com/msys2/setup-msys2/releases)
- [Changelog](https://github.com/msys2/setup-msys2/blob/main/CHANGELOG.md)
- [Commits](4f806de0a5...cafece8e6b)

---
updated-dependencies:
- dependency-name: msys2/setup-msys2
  dependency-version: 2.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/test_windows.yml

@@ -74,7 +74,7 @@ jobs:
           exit $exitCode
 
       - if: ${{ matrix.test == 'old' }}
-        uses: msys2/setup-msys2@4f806de0a5a7294ffabaff804b38a9b435a73bda # v2.30.0
+        uses: msys2/setup-msys2@cafece8e6baf9247cf9b1bf95097b0b983cc558d # v2.31.0
         with:
           update: true
           install: unzip