Bump eslint-config-prettier from 6.3.0 to 6.4.0 (#6618)

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 6.3.0 to 6.4.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-config-prettier/compare/v6.3.0...v6.4.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -83,7 +83,7 @@
     "codecov": "codecov/codecov-node#e427d900309adb50746a39a50aa7d80071a5ddd0",
     "cross-env": "5.2.1",
     "eslint": "6.4.0",
-    "eslint-config-prettier": "6.3.0",
+    "eslint-config-prettier": "6.4.0",
     "eslint-formatter-friendly": "7.0.0",
     "eslint-plugin-import": "2.18.2",
     "eslint-plugin-prettier": "3.1.1",

yarn.lock

@@ -2612,10 +2612,10 @@ escodegen@^1.9.0:
   optionalDependencies:
     source-map "~0.6.1"
 
-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"