Revert back to python 3.12

.github/workflows/docs.yml

@@ -1,4 +1,4 @@
-name: website
+name: Docs
 
 # build the documentation whenever there are new commits on main
 # on:
@@ -21,10 +21,9 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.13'
+          python-version: '3.12'
 
       # ADJUST THIS: install all dependencies (including pdoc)
-      - run: pip install -r requirements.txt
       - run: pip install -e .
       - run: pip install pdoc
       # ADJUST THIS: build your documentation into docs/.