Update dependency eslint to ~9.20.0

Author: renovate[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "ava": "~6.1.3",
     "c8": "~10.1.2",
     "codecov": "~3.8.3",
-    "eslint": "~9.16.0",
+    "eslint": "~9.20.0",
     "eslint-plugin-ava": "~15.0.1",
     "express": "~4.21.0",
     "standard": "~17.1.0",