Merge pull request #1251 from scikit-hep/dependabot/github_actions/actions/attest-build-provenance-2.2.0

ci: bump actions/attest-build-provenance from 2.1.0 to 2.2.0

Author: lgray

Diff for: .github/workflows/ci.yml

@@ -210,7 +210,7 @@ jobs:
     - name: Verify the distribution
       run: pipx run twine check --strict dist/*
     - name: Generate artifact attestation for sdist and wheel
-      uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb # v2.1.0
+      uses: actions/attest-build-provenance@520d128f165991a6c774bcb264f323e3d70747f4 # v2.2.0
       with:
         subject-path: "dist/coffea-*"
     - name: Publish package to PyPI