Update publish.yml

Author: yousifalraheem

.github/workflows/publish.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          version: 12
       - run: npm ci
       - run: npm test
       - run: npm run build