build(deps): bump actions/attest-build-provenance in the actions group

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


Updates `actions/attest-build-provenance` from 1.3.3 to 1.4.0
- [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@5e9cb68...210c191)

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

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

.github/workflows/cd.yml

@@ -49,7 +49,7 @@ jobs:
           path: dist
 
       - name: Generate artifact attestation for sdist and wheel
-        uses: actions/attest-build-provenance@5e9cb68e95676991667494a6a4e59b8a2f13e1d0 # v1.3.3
+        uses: actions/attest-build-provenance@210c1913531870065f03ce1f9440dd87bc0938cd # v1.4.0
         with:
           subject-path: "dist/f2py*"