chore(deps): update dependency eslint to v9

Author: renovate[bot]

packages/eslint-config/package.json

@@ -5,7 +5,7 @@
   },
   "description": "Backend ESLint config for nestjs meow packages",
   "devDependencies": {
-    "eslint": "8.57.0"
+    "eslint": "9.0.0"
   },
   "homepage": "https://github.com/cuaklabs/nestjs-meow#readme",
   "license": "See license in \"LICENSE\" file",

packages/nestjs-firebase-admin/package.json

@@ -23,7 +23,7 @@
     "@types/node": "20.12.2",
     "@typescript-eslint/eslint-plugin": "7.5.0",
     "@typescript-eslint/parser": "7.5.0",
-    "eslint": "8.57.0",
+    "eslint": "9.0.0",
     "eslint-import-resolver-typescript": "3.6.1",
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-jest": "27.9.0",