Update dependency installation in GitHub Actions workflow

Author: edwardchalstrey1

.github/workflows/python.yml

@@ -29,7 +29,9 @@ jobs:
       - name: Set up dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install setuptools build cython pytest pytest-skip-slow wheel lxml numpy scipy nbformat nbclient ipykernel
+          pip install setuptools build cython wheel
+          pip install -r tests/requirements.txt
+          pip install -r doc/requirements.txt
       - name: Build source distribution
         run:
           python -m build