chore(deps): update actions/setup-python action to v5.5.0

| datasource  | package              | from   | to     |
| ----------- | -------------------- | ------ | ------ |
| github-tags | actions/setup-python | v5.4.0 | v5.5.0 |

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -27,7 +27,7 @@ jobs:
         with:
           version: v3.17.2 # renovate: datasource=github-releases depName=helm packageName=helm/helm
 
-      - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      - uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
         with:
           python-version-file: .python-version