Update dependency eslint-config-prettier to v6.4.0 (#491)

package.json

@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "eslint": "6.5.1",
-    "eslint-config-prettier": "6.3.0",
+    "eslint-config-prettier": "6.4.0",
     "eslint-plugin-prettier": "3.1.1",
     "prettier": "1.18.2",
     "pretty-quick": "1.11.1",

yarn.lock

@@ -858,10 +858,10 @@ escape-string-regexp@^1.0.5:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
-eslint-config-prettier@6.3.0:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.3.0.tgz#e73b48e59dc49d950843f3eb96d519e2248286a3"
-  integrity sha512-EWaGjlDAZRzVFveh2Jsglcere2KK5CJBhkNSa1xs3KfMUGdRiT7lG089eqPdvlzWHpAqaekubOsOMu8W8Yk71A==
+eslint-config-prettier@6.4.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.4.0.tgz#0a04f147e31d33c6c161b2dd0971418ac52d0477"
+  integrity sha512-YrKucoFdc7SEko5Sxe4r6ixqXPDP1tunGw91POeZTTRKItf/AMFYt/YLEQtZMkR2LVpAVhcAcZgcWpm1oGPW7w==
   dependencies:
     get-stdin "^6.0.0"