Remove Node.js 21 support

Author: ai

package.json

@@ -35,7 +35,7 @@
     "./badge/styles": "./badge/styles/index.js"
   },
   "engines": {
-    "node": "^18.0.0 || >=20.0.0"
+    "node": "^18.0.0 || ^20.0.0 || >=22.0.0"
   },
   "peerDependencies": {
     "@logux/core": "^0.8.0",