chore(deps): update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/lint.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           version: v3.12.2 # renovate: datasource=github-releases depName=helm packageName=helm/helm
 
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: "3.10"