Update actions/setup-python action to v7

Author: renovate[bot]

.github/workflows/publish-docs.yml

@@ -46,7 +46,7 @@ jobs:
           cache-read-only: true
 
       - name: Install Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v7
         with:
           python-version: 3.x