Bump eslint from 4.19.1 to 8.5.0 (#51)

Bumps [eslint](https://github.com/eslint/eslint) from 4.19.1 to 8.5.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v4.19.1...v8.5.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -25,7 +25,7 @@
   "license": "MIT",
   "devDependencies": {
     "c8": "^7.10.0",
-    "eslint": "^4.15.0",
+    "eslint": "^8.5.0",
     "mocha": "^9.1.3",
     "should": "^13.0.0"
   },