Update npm-publish-github-packages.yml

Author: PiSaucer

.github/workflows/npm-publish-github-packages.yml

@@ -34,3 +34,15 @@ jobs:
       - run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '14.x'
+          registry-url: 'https://registry.npmjs.org'
+          # Defaults to the user or organization that owns the workflow file
+          scope: '@modifiedcommand'
+      - run: yarn
+      - run: yarn publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+