Update build step with npm token (#503)

Author: dubeyShivank

.github/workflows/new-release.yml

@@ -64,11 +64,13 @@ jobs:
 
       - name: Add Readme to package
         run: cp README.md packages/millicast-sdk/README.md
-
+      - name: Login to npm
+        run: |
+          echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc
       - name: Publish package
         working-directory: './packages/millicast-sdk'
         run: |
           npm run build
           npm publish --access public
         env:
-          NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}