Update dependency eslint to v9

Author: renovate[bot]

packages/ngx-filesize/package.json

@@ -62,7 +62,7 @@
     "@types/jasmine": "^5.0.0",
     "@typescript-eslint/eslint-plugin": "^6.21.0",
     "@typescript-eslint/parser": "^6.21.0",
-    "eslint": "^8.25.0",
+    "eslint": "^9.0.0",
     "filesize": "^9.0.11",
     "jasmine-core": "^5.6.0",
     "karma": "^6.4.1",