Merge pull request #17 from norling/fix/update-docs-action

Update docs action to build with mkdocs

.github/workflows/docs.yml

@@ -8,19 +8,19 @@ jobs:
       max-parallel: 4
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.7]
-    
+        python-version: [3.9]
+
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install tox tox-gh-actions
-    - name: Run docs tests
-      run: tox -e docs
+        pip install -r docs/requirements.txt
+    - name: Test building docs
+      run: mkdocs build