build(devDeps): update eslint requirement to ^5.0.1 (#2629)

* build(devDeps): update eslint requirement to ^5.0.1

Updates the requirements on [eslint](https://github.com/eslint/eslint) to permit the latest version.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/commits/v5.0.1)

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

* fix(eslint): disable getter-return rule

.eslintrc.json

@@ -80,6 +80,7 @@
     "no-undef-init": "error",
 
     "callback-return": "error",
+    "getter-return": "off",
     "handle-callback-err": "error",
     "no-mixed-requires": "error",
     "no-new-require": "error",

package.json

@@ -52,7 +52,7 @@
   "devDependencies": {
     "@types/node": "^10.0.3",
     "discord.js-docgen": "discordjs/docgen",
-    "eslint": "^4.17.0",
+    "eslint": "^5.0.1",
     "json-filter-loader": "^1.0.0",
     "uglifyjs-webpack-plugin": "^1.1.8",
     "webpack": "^4.5.0",