Backport PR matplotlib#28273: CI: Add GitHub artifact attestations to package distribution

Author: QuLogic

.github/workflows/cibuildwheel.yml

@@ -189,6 +189,8 @@ jobs:
     environment: release
     permissions:
       id-token: write
+      attestations: write
+      contents: read
     steps:
       - name: Download packages
         uses: actions/download-artifact@v4
@@ -200,5 +202,10 @@ jobs:
       - name: Print out packages
         run: ls dist
 
+      - name: Generate artifact attestation for sdist and wheel
+        uses: actions/attest-build-provenance@173725a1209d09b31f9d30a3890cf2757ebbff0d  # v1.1.2
+        with:
+          subject-path: dist/matplotlib-*
+
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@81e9d935c883d0b210363ab89cf05f3894778450  # v1.8.14

.pre-commit-config.yaml

@@ -79,7 +79,7 @@ repos:
       - id: yamllint
         args: ["--strict", "--config-file=.yamllint.yml"]
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.28.1
+    rev: 0.28.4
     hooks:
       # TODO: Re-enable this when https://github.com/microsoft/azure-pipelines-vscode/issues/567 is fixed.
       # - id: check-azure-pipelines