chore(ci): add mocks check

- Check for missing `//go:generate` comments
- Check for outdated mocks

.github/workflows/ci.yml

@@ -49,6 +49,9 @@ jobs:
       - name: Linting
         run: docker build --target lint .
 
+      - name: Mocks check
+        run: docker build --target mocks .
+
       - name: Build test image
         run: docker build --target test -t test-container .