Merge pull request #173 from rwjblue/dependabot/npm_and_yarn/prettier-1.16.4

Author: dependabot[bot]

yarn.lock

@@ -3466,8 +3466,8 @@ prettier-linter-helpers@^1.0.0:
     fast-diff "^1.1.2"
 
 prettier@^1.13.5:
-  version "1.16.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.3.tgz#8c62168453badef702f34b45b6ee899574a6a65d"
+  version "1.16.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.4.tgz#73e37e73e018ad2db9c76742e2647e21790c9717"
 
 pretty-format@^23.6.0:
   version "23.6.0"