Change 'node-version'

Author: WezomDev

.github/workflows/test.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [8.x]
+        node-version: [12.x]
     steps:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1