chore(deps): update dependency prettier to v1.13.6

Author: renovate-bot

Diff for: package.json

@@ -16,7 +16,7 @@
     "ava": "0.23.0",
     "husky": "0.14.3",
     "lint-staged": "6.0.0",
-    "prettier": "1.9.2",
+    "prettier": "1.13.6",
     "serverless-plugin-typescript": "1.1.5",
     "serverless-apigwy-binary": "0.1.0"
   },

Diff for: yarn.lock

@@ -2638,9 +2638,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.9.2:
-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.9.2.tgz#96bc2132f7a32338e6078aeb29727178c6335827"
+prettier@1.13.6:
+  version "1.13.6"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.6.tgz#00ae0b777ad92f81a9e7a1df2f0470b6dab0cb44"
 
 pretty-format@^21.2.1:
   version "21.2.1"