chore(package): update npm-watch to version 0.2.0

Author: greenkeeper[bot]

package.json

@@ -101,7 +101,7 @@
     "ngx-bootstrap": "^1.7.1",
     "node-sass": "^4.5.2",
     "npm-run-all": "^4.0.2",
-    "npm-watch": "^0.1.9",
+    "npm-watch": "^0.2.0",
     "rimraf": "^2.6.1",
     "rollup": "^0.42.0",
     "rollup-plugin-sourcemaps": "^0.4.1",