chore: bump actions/attest-build-provenance

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


Updates `actions/attest-build-provenance` from 3 to 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@v3...v4)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -49,7 +49,7 @@ jobs:
           path: dist
 
       - name: Generate artifact attestation for sdist and wheel
-        uses: actions/attest-build-provenance@v3
+        uses: actions/attest-build-provenance@v4
         with:
           subject-path: "dist/*"