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

Author: renovate[bot]

.github/workflows/commit-lint.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.x'
       - run: pip install gitlint

.github/workflows/pre-commit.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: '3.x'
     - uses: pre-commit/action@v3.0.1