changed actions to default django

Signed-off-by: Jochen Mehlich <coding@jochenmehlich.de>

.gitea/workflows/django-backendtests.yaml

@@ -0,0 +1,25 @@
+name: Django Backend Validation
+run-name: ${{ gitea.actor }} is running Django Tests
+on: [push]
+
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.7, 3.8, 3.9]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install Dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+    - name: Run Tests
+      run: |
+        python manage.py test