ci: Separate step to install requirements before molecule 💚

.github/workflows/ci.yml

@@ -47,6 +47,9 @@ jobs:
 
       - name: Ensure requirements are installed
         run: pip install -r requirements.txt
+     
+      - name: Ensure required collections/roles are installed
+        run: ansible-galaxy install -r molecule/requirements.yml
 
       - name: Run Molecule tests.
         run: molecule test