fix!: align to npm 11 node engine range

BREAKING CHANGE: `@npmcli/eslint-config` now supports node `^20.17.0 || >=22.9.0`

Author: owlstronaut

package.json

@@ -39,7 +39,7 @@
     "which": "^5.0.0"
   },
   "engines": {
-    "node": "^18.17.0 || >=20.5.0"
+    "node": "^20.17.0 || >=22.9.0"
   },
   "templateOSS": {
     "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",