chore(deps): update dependency prettier to ^1.18.0

Author: renovate-bot

package.json

@@ -56,7 +56,7 @@
     "husky": "^2.1.0",
     "mocha": "^6.1.4",
     "nyc": "^14.1.0",
-    "prettier": "^1.17.1",
+    "prettier": "^1.18.0",
     "semantic-release": "^15.13.3",
     "sourcegraph": "^23.0.1",
     "ts-node": "^8.1.0",

yarn.lock

@@ -4260,10 +4260,10 @@ prepend-http@^1.0.1:
   resolved "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
   integrity sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=
 
-prettier@^1.17.1:
-  version "1.17.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.17.1.tgz#ed64b4e93e370cb8a25b9ef7fef3e4fd1c0995db"
-  integrity sha512-TzGRNvuUSmPgwivDqkZ9tM/qTGW9hqDKWOE9YHiyQdixlKbv7kvEqsmDPrcHJTKwthU774TQwZXVtaQ/mMsvjg==
+prettier@^1.18.0:
+  version "1.18.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.18.0.tgz#d1701ca9b2941864b52f3262b35946d2c9cd88f0"
+  integrity sha512-YsdAD29M0+WY2xXZk3i0PA16olY9qZss+AuODxglXcJ+2ZBwFv+6k5tE8GS8/HKAthaajlS/WqhdgcjumOrPlg==
 
 process-nextick-args@~2.0.0:
   version "2.0.0"