Build(deps-dev): Bump prettier from 1.15.3 to 1.16.0

Bumps [prettier](https://github.com/prettier/prettier) from 1.15.3 to 1.16.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.15.3...1.16.0)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package.json

@@ -24,7 +24,7 @@
     "eslint-plugin-prettier": "^3.0.0",
     "execa": "^1.0.0",
     "get-port": "^4.0.0",
-    "prettier": "^1.10.2",
+    "prettier": "^1.16.0",
     "qunit": "~2.9.1",
     "qunit-eslint": "^2.0.0",
     "rsvp": "^4.7.0"

yarn.lock

@@ -1069,9 +1069,9 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@^1.10.2:
-  version "1.15.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.15.3.tgz#1feaac5bdd181237b54dbe65d874e02a1472786a"
+prettier@^1.16.0:
+  version "1.16.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.0.tgz#104dd25f5ee3d0c9d0a6ce4bb40ced8481d51219"
 
 process-nextick-args@~1.0.6:
   version "1.0.7"