use python 3.12

.github/workflows/translation-website.yml

@@ -10,6 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
       - name: Run Python script
         run: python translation/generate_translation_page.py
       - name: Remove Python script