chore: migrate to setup-node/v2 (#459)

Author: anshumanv

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
 
@@ -41,7 +41,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: '14.x'