Refactor npm-publish.yml to use npm run build instead of yarn build

package.json

@@ -20,7 +20,7 @@
     "lint": "eslint src",
     "lint:fix": "eslint --fix --ext .ts,.tsx src",
     "clean": "rimraf dist && rimraf dev/yarn.lock",
-    "prepublishOnly": "yarn clean && yarn build && cd dev && yarn test"
+    "prepublishOnly": "npm run build"
   },
   "author": "dev@payloadcms.com",
   "license": "MIT",