chore(deps): update actions/checkout action to v5 (#42)

Author: renovate-bot

.github/workflows/presubmit.yaml

@@ -12,7 +12,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with: