ci: update workflow file

Author: cronnoss

.github/workflows/deploy.yml

@@ -27,7 +27,7 @@ jobs:
         run: npm run build
 
       - name: Upload production-ready build files
-        uses: actions/upload artifact@v2
+        uses: actions/upload-artifact@v2
         with:
           name: production-files
           path: ./dist