Update dependency eslint to v9.31.0

Author: renovate[bot]

bun.lockb

@@ -43,7 +43,7 @@
         "@types/bun": "1.2.18",
         "@types/node": "24.0.13",
         "colorette": "2.0.20",
-        "eslint": "9.30.1",
+        "eslint": "9.31.0",
         "eslint-config-prettier": "10.1.5",
         "eslint-formatter-codeframe": "7.32.1",
         "eslint-plugin-astro": "1.3.1",