Bump the actions group with 2 updates (matplotlib#29123)

Bumps the actions group with 2 updates: [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) and [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish).


Updates `actions/attest-build-provenance` from 1.4.3 to 1.4.4
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](actions/attest-build-provenance@1c608d1...ef24412)

Updates `pypa/gh-action-pypi-publish` from 1.11.0 to 1.12.2
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](pypa/gh-action-pypi-publish@fb13cb3...15c56db)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: pypa/gh-action-pypi-publish
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/cibuildwheel.yml

@@ -229,9 +229,9 @@ jobs:
         run: ls dist
 
       - name: Generate artifact attestation for sdist and wheel
-        uses: actions/attest-build-provenance@1c608d11d69870c2092266b3f9a6f3abbf17002c  # v1.4.3
+        uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018  # v1.4.4
         with:
           subject-path: dist/matplotlib-*
 
       - name: Publish package distributions to PyPI
-        uses: pypa/gh-action-pypi-publish@fb13cb306901256ace3dab689990e13a5550ffaa  # v1.11.0
+        uses: pypa/gh-action-pypi-publish@15c56dba361d8335944d31a2ecd17d700fc7bcbc  # v1.12.2