updated github action

Author: manu4543

.github/workflows/npmpublish.yml

@@ -41,6 +41,7 @@ jobs:
       run: |
         npm i -g yarn
         yarn config set //registry.npmjs.org/:_authToken=$NODE_AUTH_TOKEN
+        yarn install
         yarn publish        
       env:
         NODE_AUTH_TOKEN: ${{secrets.npm_token}}