updated node version in workflow file (#169)

Co-authored-by: harshithad0703 <104908717+harshithad0703@users.noreply.github.com>
Co-authored-by: cs-raj <122264749+cs-raj@users.noreply.github.com>

Author: 3 people

.github/workflows/npm-publish.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '12.x'
+          node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
       - run: npm ci
       - run: npm publish