Update main.yml

Author: moonwave99

.github/workflows/main.yml

@@ -10,9 +10,9 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v2.3.4
     - name: Setup Node.js for use with actions
-      uses: actions/setup-node@v1.1.0
+      uses: actions/setup-node@v2.1.2
       with:
         version: 12.0.0
     - run: yarn install