build(deps-dev): bump eslint from 4.19.1 to 7.2.0

Bumps [eslint](https://github.com/eslint/eslint) from 4.19.1 to 7.2.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v4.19.1...v7.2.0)

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

package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "coveralls": "^3.1.0",
     "dot": "^1.1.2",
-    "eslint": "^4.0.0",
+    "eslint": "^7.2.0",
     "mocha": "^3.4.2",
     "nyc": "^11.0.2",
     "pre-commit": "^1.2.2",