chore(deps): update dependency eslint to v9

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -54,7 +54,7 @@
     "chai": "^4.0.2",
     "codecov": "^3.0.0",
     "debug": "^4.0.0",
-    "eslint": "^5.3.0",
+    "eslint": "^9.0.0",
     "mocha": "^6.0.0",
     "npm-publish-git-tag": "^3.0.0",
     "nyc": "^14.0.0",