build: use correct lifecycle hook for publishes

package.json

@@ -11,7 +11,7 @@
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s -r 0",
     "compile": "tsc && sed -i '1i#!/usr/bin/env node' lib/cli.js",
     "documentation": "typedoc --includeDeclarations --excludeExternals --mode modules --out docs src",
-    "prepareOnly": "npm run build",
+    "prepublishOnly": "npm run build",
     "tslint": "tslint 'src/**/*.ts'"
   },
   "author": "Karl-Philipp Wulfert <krlwlfrt@gmail.com>",