Fix package publish workflow (#490)

Author: ChaituVR

.github/workflows/npm-publish.yml

@@ -27,6 +27,7 @@ jobs:
         with:
           node-version: 14
           registry-url: https://registry.npmjs.org/
+      - run: yarn install
       - run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}