build(deps-dev): bump prettier from 2.2.0 to 2.2.1

Bumps [prettier](https://github.com/prettier/prettier) from 2.2.0 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@2.2.0...2.2.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package.json

@@ -90,7 +90,7 @@
     "lint-staged": "^10.5.2",
     "nightwatch": "^1.5.1",
     "nightwatch-helpers": "^1.2.0",
-    "prettier": "^2.2.0",
+    "prettier": "^2.2.1",
     "rollup": "^2.34.0",
     "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-typescript2": "^0.29.0",

yarn.lock

@@ -7492,10 +7492,10 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
-prettier@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.2.0.tgz#8a03c7777883b29b37fb2c4348c66a78e980418b"
-  integrity sha512-yYerpkvseM4iKD/BXLYUkQV5aKt4tQPqaGW6EsZjzyu0r7sVZZNPJW4Y8MyKmicp6t42XUPcBVA+H6sB3gqndw==
+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-error@^2.1.1:
   version "2.1.2"