Update django.yml

Author: jasonjoh

.github/workflows/django.yml

@@ -17,15 +17,15 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.8, 3.9, 3.10]
+        python-version: ['3.8', '3.9', '3.10']
 
     steps:
     - uses: actions/checkout@v2
     - name: Copy settings file
       run: |
         cp oauth_settings.example.yml oauth_settings.yml
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install Dependencies