chore(deps-dev): bump eslint from 6.8.0 to 7.1.0 (#37)

Bumps [eslint](https://github.com/eslint/eslint) from 6.8.0 to 7.1.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v6.8.0...v7.1.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package.json

@@ -34,7 +34,7 @@
   "devDependencies": {
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",
-    "eslint": "^6.1.0",
+    "eslint": "^7.1.0",
     "eslint-config-hexo": "^4.0.0",
     "mocha": "^7.1.1",
     "nyc": "^15.0.0",