Update github workflow template

Author: hackermd

.github/workflows/run_unit_tests.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Install dependencies
       run: npm install
     - name: Build package in production mode
-      run: npm run build:prod
+      run: npm run build
     - name: Lint with standard
       run: npm run lint
     - name: Test with jest