⬆️ Bump prettier from 1.15.2 to 2.2.1

Bumps [prettier](https://github.com/prettier/prettier) from 1.15.2 to 2.2.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.15.2...2.2.1)

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

Author: dependabot-preview[bot]

package.json

@@ -42,7 +42,7 @@
   "devDependencies": {
     "husky": "^1.2.0",
     "lint-staged": "^8.1.0",
-    "prettier": "^1.15.2",
+    "prettier": "^2.2.1",
     "ts-loader": "^5.3.1",
     "tslint": "~5.7.0",
     "tslint-config-prettier": "~1.9.0",

yarn.lock

@@ -2583,10 +2583,10 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
-prettier@^1.15.2:
-  version "1.15.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.15.2.tgz#d31abe22afa4351efa14c7f8b94b58bb7452205e"
-  integrity sha512-YgPLFFA0CdKL4Eg2IHtUSjzj/BWgszDHiNQAe0VAIBse34148whfdzLagRL+QiKS+YfK5ftB6X4v/MBw8yCoug==
+prettier@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
+  integrity sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==
 
 pretty-format@^23.6.0:
   version "23.6.0"