Update dependency installation in OnPush workflow to include specific packages

Author: Antoine

.github/workflows/OnPush.yml

@@ -25,7 +25,10 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
+        pip install pytest build coverage
+
+    - name: Install make
+      run: sudo apt-get install make
 
     - name: Run tests
       run: make tests