Bump actions/setup-python from 5.4.0 to 6.0.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5.4.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5.4.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docs.yaml

@@ -43,7 +43,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup python
-        uses: actions/setup-python@v5.4.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: 3.11
 

.github/workflows/helm.yaml

@@ -19,7 +19,7 @@ jobs:
         uses: azure/setup-helm@v4
 
       - name: Setup Python
-        uses: actions/setup-python@v5.4.0
+        uses: actions/setup-python@v6.0.0
 
       - name: Setup chart-testing
         uses: helm/[email protected]