Update python-publish.yml

the `deploy:needs:[test]` should not publish when the tests are failing cf. https://stackoverflow.com/a/63148947/1200070

.github/workflows/python-publish.yml

@@ -6,9 +6,36 @@ on:
       - master
 
 jobs:
-  deploy:
+
+  test:
+
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ '3.8', '3.9', '3.10', '3.11']
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools --upgrade
+        pip install -r requirements-dev.txt
+    - name: Lint with flake8
+      run: |
+        flake8 . --exit-zero --max-line-length=100 --ignore=F401,W503 --max-complexity=10 --max-line-length=100
+    - name: Test with pytest
+      run: |
+        pytest 
+
 
+  deploy:
+    runs-on: ubuntu-latest
+    needs: [test]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python