chore(deps-dev): update eslint monorepo to v9.31.0

| datasource | package    | from   | to     |
| ---------- | ---------- | ------ | ------ |
| npm        | @eslint/js | 9.30.1 | 9.31.0 |
| npm        | eslint     | 9.30.1 | 9.31.0 |

Author: renovate[bot]

package-lock.json

@@ -22,14 +22,14 @@
   "author": "Discord.js Japan User Group (discordjs-japan.org)",
   "license": "MIT",
   "devDependencies": {
-    "@eslint/js": "9.30.1",
+    "@eslint/js": "9.31.0",
     "@tsconfig/node22": "22.0.2",
     "@types/node": "22.16.3",
     "@types/punycode": "2.1.4",
     "esbuild": "0.25.0",
     "esbuild-plugin-pino": "2.2.2",
     "esbuild-plugin-version-injector": "1.2.1",
-    "eslint": "9.30.1",
+    "eslint": "9.31.0",
     "eslint-config-prettier": "10.1.5",
     "eslint-plugin-import-x": "4.16.1",
     "globals": "16.3.0",