chore(deps): update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -51,7 +51,7 @@
     "@typescript-eslint/parser": "6.21.0",
     "babel-jest": "^29.6.1",
     "babel-preset-gatsby": "^3.13.0",
-    "eslint": "8.57.0",
+    "eslint": "9.21.0",
     "eslint-config-airbnb": "19.0.4",
     "eslint-config-airbnb-typescript": "17.1.0",
     "eslint-config-prettier": "9.1.0",