update express build CI

Author: NiloCK

.github/workflows/build-express.yml

@@ -43,6 +43,9 @@ jobs:
       - name: Build common package
         run: yarn workspace @vue-skuilder/common build
 
+      - name: Build db package
+        run: yarn workspace @vue-skuilder/db build
+
       - name: Build and test express package
         run: |
           yarn workspace @vue-skuilder/express build