Update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -36,7 +36,7 @@
     "babel-plugin-transform-flow-strip-types": "6.22.0",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-1": "6.24.1",
-    "eslint": "4.19.1",
+    "eslint": "9.19.0",
     "flow-bin": "0.66.0",
     "flow-copy-source": "2.0.2",
     "jest": "23.6.0",