Update CI GH workflow.

Author: revagomes

.github/workflows/ci.yml

@@ -21,29 +21,15 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Validate composer.json and composer.lock
-        run: composer validate --strict
-
-      - name: Cache Composer packages
-        id: composer-cache
-        uses: actions/cache@v2
-        with:
-          path: vendor
-          key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-php-
-
-      - name: Install dependencies
-        run: composer install --prefer-dist --no-progress
-
       - uses: actions/setup-node@v1
         with:
-          node_version: 12
+          node-version: 12
 
       - name: Setup Environment
         run: |
           npm install -g gulp
           gulp build
+          gulp install
 
     # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
     # Docs: https://getcomposer.org/doc/articles/scripts.md