chore(deps-dev): bump eslint-config-prettier from 6.15.0 to 8.1.0

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 6.15.0 to 8.1.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/eslint-config-prettier@v6.15.0...v8.1.0)

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

package.json

@@ -28,13 +28,13 @@
     "propagate": "^2.0.0"
   },
   "devDependencies": {
-    "@sinonjs/fake-timers": "^6.0.0",
+    "@sinonjs/fake-timers": "^7.0.2",
     "assert-rejects": "^1.0.0",
     "chai": "^4.1.2",
     "dirty-chai": "^2.0.1",
     "dtslint": "^4.0.4",
     "eslint": "^7.3.1",
-    "eslint-config-prettier": "^6.0.0",
+    "eslint-config-prettier": "^8.1.0",
     "eslint-config-standard": "^14.0.0",
     "eslint-plugin-import": "^2.16.0",
     "eslint-plugin-mocha": "^8.0.0",