Bump eslint from 6.7.2 to 7.10.0

Bumps [eslint](https://github.com/eslint/eslint) from 6.7.2 to 7.10.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v6.7.2...v7.10.0)

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

package.json

@@ -12,7 +12,7 @@
     "browserify": "^16.5.0",
     "chai": "^4.2.0",
     "coveralls": "^3.0.9",
-    "eslint": "^6.7.2",
+    "eslint": "^7.10.0",
     "mocha": "^6.2.2",
     "nyc": "^14.1.1"
   },