chore(deps): update devdependency eslint to v9

Author: renovate[bot]

package.json

@@ -222,7 +222,7 @@
     "@types/vscode": "1.42.0",
     "@vscode/test-electron": "^2.5.2",
     "@vscode/vsce": "^2.32.0",
-    "eslint": "^8.57.1",
+    "eslint": "^9.39.1",
     "esno": "^0.17.0",
     "glob": "^11.0.3",
     "mocha": "^11.7.1",