Merge pull request #23 from michaelw/renovate/actions-checkout-5.x

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

Author: michaelw

.github/workflows/ci.yaml

@@ -19,7 +19,7 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           cache: pip