fix check-dist.yml

.github/workflows/check-dist.yml

@@ -32,7 +32,9 @@ jobs:
         run: npm ci
 
       - name: Rebuild the dist/ directory
-        run: npm run build
+        run: |
+          npm run build
+          npm run pack
 
       - name: Compare the expected and actual dist/ directories
         run: |