chore: Update actions/setup-node to v4 (#744)

Author: abhiram6121

Diff for: .github/workflows/main.yml

@@ -12,14 +12,10 @@ jobs:
       - name: Checkout commit
         uses: actions/checkout@v4
 
-      - name: Read .nvmrc
-        run: echo "NVMRC=$(cat .nvmrc)" >> $GITHUB_OUTPUT
-        id: nvm
-
       - name: Setup node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: "${{ steps.nvm.outputs.NVMRC }}"
+          node-version-file: ".nvmrc"
           cache: yarn
 
       - name: Install dependencies

Diff for: .nvmrc

@@ -1 +1 @@
-16.15.1
+20.x