build: update chalk to 2.2.0

Author: filipesilva

tools/publish/package.json

@@ -27,7 +27,7 @@
   "dependencies": {
     "@angular/core": "^2.4.0",
     "@ngtools/logger": "^1.0.0",
-    "chalk": "^1.1.3",
+    "chalk": "~2.2.0",
     "minimist": "^1.2.0"
   }
 }