add installation of documentation requirements to macos-14 job

Author: edwardchalstrey1

.github/workflows/python.yml

@@ -52,6 +52,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install setuptools build cython wheel
           pip install -r tests/requirements.txt
+          pip install -r doc/requirements.txt
       - name: Build extension
         run: |
           python -m pip install -v .