update node version, run only on ubuntu

Author: isc-rsingh

.github/workflows/main.yml

@@ -19,7 +19,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
+        # os: [ubuntu-latest, windows-latest, macOS-latest]
+        os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v2
     - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
@@ -45,9 +46,9 @@ jobs:
         echo $VERSION > .version
         echo $NAME > .name
     - name: Use Node.js
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
-        node-version: 14.x
+        node-version: 16
     - run: npm install
     - name: lint
       if: runner.os == 'Linux'
@@ -130,9 +131,9 @@ jobs:
         name: meta
         path: .
     - name: Use Node.js
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
-        node-version: 12.x
+        node-version: 16
     - name: Prepare build
       id: set-version
       run: |