fix(package): update chalk to version 3.0.0

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
   "homepage": "https://github.com/konsumer/grpc-dynamic-gateway#readme",
   "dependencies": {
     "body-parser": "^1.18.2",
-    "chalk": "^2.3.2",
+    "chalk": "^3.0.0",
     "express": "^4.16.3",
     "grpc": "^1.16.1",
     "json-colorizer": "^2.0.0",