Bump actions/setup-python from 5 to 6 (#10)

Author: dependabot[bot]

.github/workflows/format.yaml

@@ -13,5 +13,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
       - uses: pre-commit/[email protected]