build(deps-dev): bump eslint-config-prettier from 3.6.0 to 4.0.0

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 3.6.0 to 4.0.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/eslint-config-prettier@v3.6.0...v4.0.0)

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

package.json

@@ -38,7 +38,7 @@
     "@not-an-aardvark/node-release-script": "^0.1.0",
     "eslint": "^5.6.0",
     "eslint-config-not-an-aardvark": "^2.1.0",
-    "eslint-config-prettier": "^3.1.0",
+    "eslint-config-prettier": "^4.0.0",
     "eslint-plugin-eslint-plugin": "^2.0.0",
     "eslint-plugin-node": "^8.0.0",
     "eslint-plugin-self": "^1.1.0",

yarn.lock

@@ -193,9 +193,9 @@ eslint-config-not-an-aardvark@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/eslint-config-not-an-aardvark/-/eslint-config-not-an-aardvark-2.1.0.tgz#71e5fb7c43b64abb4632ef144aad6cceef520195"
 
-eslint-config-prettier@^3.1.0:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-3.6.0.tgz#8ca3ffac4bd6eeef623a0651f9d754900e3ec217"
+eslint-config-prettier@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-4.0.0.tgz#16cedeea0a56e74de60dcbbe3be0ab2c645405b9"
   dependencies:
     get-stdin "^6.0.0"