fix: updated actions to use build runner

Author: gibahjoe

.github/workflows/code_quality.yml

@@ -34,6 +34,9 @@ jobs:
           sdk: stable
       - name: Install Dependencies
         run: dart pub get
+      - name: Build runner
+        if: ${{ matrix.work_dir == 'openapi-generator' }}
+        run: dart run build_runner build --delete-conflicting-outputs
       - name: Validate formatting
         run: dart format ./ --set-exit-if-changed
       - name: Run analyzer