fix: add loader-utils as dep instead of dev-dep (#975)

Author: Alexander Vakrilov

Diff for: package.json

@@ -53,6 +53,7 @@
     "extra-watch-webpack-plugin": "1.0.3",
     "fork-ts-checker-webpack-plugin": "1.3.0",
     "global-modules-path": "2.0.0",
+    "loader-utils": "^1.2.3",
     "minimatch": "3.0.4",
     "nativescript-hook": "0.2.4",
     "nativescript-worker-loader": "~0.9.0",
@@ -86,7 +87,6 @@
     "conventional-changelog-cli": "^1.3.22",
     "jasmine": "^3.2.0",
     "jasmine-spec-reporter": "^4.2.1",
-    "loader-utils": "^1.2.3",
     "proxyquire": "2.1.0",
     "tns-core-modules": "next",
     "typescript": "~3.4.0"