chore(deps): update peter-evans/create-pull-request action to v7

Author: renovate[bot]

.github/workflows/cron-bump-requirements.yml

@@ -32,7 +32,7 @@ jobs:
             bazel run //lib/python:requirements.update || true
             bazel run //lib/python:vendor_requirements
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v6.1.0
+        uses: peter-evans/create-pull-request@v7.0.2
         with:
           add-paths: |
             lib/python/*.txt