Added both node 16 and 20 checks

Author: y-chandra

.github/workflows/npmbuildonpullrequest.yml

@@ -7,6 +7,9 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [16, 20]
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -24,7 +27,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: "18"
+          node-version: ${{ matrix.node-version }}
 
       - name: Log Node.js and npm versions
         run: |