Update actions/setup-python action to v6 (#492)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pre-commit.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
       - run: |
           wget https://github.com/norwoodj/helm-docs/releases/download/v1.11.0/helm-docs_1.11.0_Linux_x86_64.deb
           sudo apt update && sudo apt install -y ./helm-docs_1.11.0_Linux_x86_64.deb