Update node version to 22 (#94)

* Update node version to 22

* updated publish workflow file

Author: sunil-lakshman

.github/workflows/npm-publish.yml

@@ -10,10 +10,10 @@ jobs:
   publish-npm:  
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '22.x'
           registry-url: 'https://registry.npmjs.org'
       - run: npm ci
       - run: npm publish --access public
@@ -22,10 +22,10 @@ jobs:
   publish-git:  
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '22.x'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@contentstack'
       - run: npm ci