⬆️ Bump actions/setup-python digest to a309ff8

Author: renovate[bot]

.github/workflows/documentation.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
     - name: Set up Python
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6
+      uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
     - name: Install dependencies
       run: |
         pipx install hatch