Updated github actions to a single action

Author: Luis Fernando Planella Gonzalez

.github/workflows/build.yml

@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Use Node.js 12.x
+    - name: Use Node.js 16.x
       uses: actions/setup-node@v1
       with:
-        node-version: 12.x
+        node-version: 16.x
     - run: npm install
-    - run: npm run compile
+    - run: npm run build