Update dependency eslint to v9

renovate[bot] · web-flow · commit dd6fa1664d3b · 2024-12-13T21:47:32.000Z
diff --git a/package.json b/package.json
@@ -34,7 +34,7 @@
   },
   "homepage": "https://github.com/msand/Io#readme",
   "devDependencies": {
-    "eslint": "3.19.0",
+    "eslint": "9.17.0",
     "flow": "0.2.3",
     "prettier": "1.18.2",
     "rollup": "0.41.6"
