chore(deps): update dependency prettier to v1.19.1 (#111)

Author: renovate[bot]

package.json

@@ -98,7 +98,7 @@
     "jest-junit": "5.2.0",
     "jest-runner-prettier": "0.2.6",
     "jest-runner-tslint": "1.0.5",
-    "prettier": "1.19.0",
+    "prettier": "1.19.1",
     "semantic-release": "15.9.17",
     "travis-deploy-once": "5.0.9",
     "ts-jest": "23.10.5",

yarn.lock

@@ -5349,9 +5349,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.19.0:
-  version "1.19.0"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.0.tgz#3bec4489d5eebcd52b95ddd2c22467b5c852fde1"
+prettier@1.19.1:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
 
 pretty-format@^22.4.3:
   version "22.4.3"