Revert continue-on-error for code quality check

Author: Joel Collins

.github/workflows/test.yml

@@ -40,7 +40,6 @@ jobs:
         if: steps.cache.outputs.cache-hit != 'true'
 
       - name: Code Quality
-        continue-on-error: true
         run: poetry run black . --check
 
       - name: Test with pytest