Update actions/setup-python action to v7

Author: renovate[bot]

.github/workflows/additional_checks.yml

@@ -37,7 +37,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Install uv and restore its cache