Update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -46,7 +46,7 @@
     "c8": "^10.1.2",
     "chai": "^5.1.1",
     "coveralls": "^3.1.1",
-    "eslint": "^8.57.0",
+    "eslint": "^9.6.0",
     "eslint-config-prettier": "^9.1.0",
     "markdownlint-cli": "^0.41.0",
     "mocha": "^10.5.2",