fix: move read-package-json to production dependencies

Author: develar

package.json

@@ -61,6 +61,7 @@
     "mime": "^1.3.4",
     "progress": "^1.1.8",
     "progress-stream": "^1.2.0",
+    "read-package-json": "^2.0.3",
     "rimraf": "^2.5.1",
     "source-map-support": "^0.4.0",
     "tmp": "0.0.28"
@@ -77,7 +78,6 @@
     "path-sort": "^0.1.0",
     "plist": "^1.2.0",
     "proxyquire": "^1.7.4",
-    "read-package-json": "^2.0.3",
     "rimraf": "^2.5.2",
     "should": "^8.2.2",
     "tap-nyan": "0.0.2",