Bump actions/attest-build-provenance from 1 to 2

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 1 to 2.
- [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...v2)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -169,7 +169,7 @@ jobs:
 
       - name: Generate attestation for wheels
         if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v2
         with:
           subject-path: "dist/*.whl"
 

.github/workflows/images.yml

@@ -211,7 +211,7 @@ jobs:
           )
 
       - name: Generate attestation for images
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v2
         with:
           subject-name: ${{ env.IMAGE_REGISTRY }}/${{ steps.build_image.outputs.image }}
           subject-digest: ${{ steps.push.outputs.digest }}