Update actions/setup-python action to v5.1.1

Author: renovate[bot]

.github/workflows/test-helm.yaml

@@ -31,7 +31,7 @@ jobs:
 
       # Python is required because `ct lint` runs Yamale (https://github.com/23andMe/Yamale) and
       # yamllint (https://github.com/adrienverge/yamllint) which require Python
-      - uses: actions/setup-python@v5.1.0
+      - uses: actions/setup-python@v5.1.1
         with:
           python-version: '3.x'