Bump actions/attest-build-provenance in the github-actions group

Bumps the github-actions group with 1 update: [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance).


Updates `actions/attest-build-provenance` from 1.4.2 to 1.4.3
- [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@v1.4.2...v1.4.3)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/cd.yml

@@ -33,7 +33,7 @@ jobs:
           path: dist
           merge-multiple: true
       - name: Generate artifact attestation for sdist and wheel(s)
-        uses: actions/attest-build-provenance@v1.4.2
+        uses: actions/attest-build-provenance@v1.4.3
         with:
           subject-path: "dist/*"
       - uses: pypa/gh-action-pypi-publish@release/v1