Bump eslint from 7.32.0 to 8.1.0

Bumps [eslint](https://github.com/eslint/eslint) from 7.32.0 to 8.1.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v7.32.0...v8.1.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "eslint": "^7.5.0",
+    "eslint": "^8.1.0",
     "eslint-config-hexo": "^4.1.0",
     "hexo": "^5.0.2",
     "mocha": "^8.0.1"