Upgrade Python version from 3.10 to 3.12

Author: tomsch420

.github/workflows/build_and_deploy_doc.yml

@@ -25,10 +25,10 @@ jobs:
     - uses: actions/checkout@v4
 
     # Install dependencies
-    - name: Set up Python 3.10
+    - name: Set up Python 3.12
       uses: actions/setup-python@v5
       with:
-        python-version: '3.10'
+        python-version: '3.12'
         cache: pip # Implicitly uses requirements.txt for cache key
 
     - name: Install dependencies