Fix syntax

.github/workflows/node.js.yml

@@ -18,9 +18,8 @@ jobs:
       matrix:
         node-version: [12.x, 14.x, 16.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
     steps:
-    - uses: actions/checkout@v2
+      - uses: actions/checkout@v2
       - uses: borales/actions-yarn@v2.3.0
         with:
           cmd: install # will run `yarn install` command