Update dependency prettier to v1.19.1 (#90)

Co-authored-by: WhiteSource Renovate <[email protected]>

Author: renovate[bot]

package.json

@@ -21,7 +21,7 @@
     "eslint-plugin-prettier": "2.6.0",
     "jest": "22.4.2",
     "localtunnel": "1.8.3",
-    "prettier": "1.11.1"
+    "prettier": "1.19.1"
   },
   "engines": {
     "node": ">= 8.6.0"

yarn.lock

@@ -3177,9 +3177,10 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-[email protected]:
-  version "1.11.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.11.1.tgz#61e43fc4cd44e68f2b0dfc2c38cd4bb0fccdcc75"
+[email protected]:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
 
 pretty-format@^22.4.0:
   version "22.4.0"