chore: update node support to LTS and current versions

Author: Phillip9587

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 18
+          - 22
           - '*'
     steps:
       - uses: actions/checkout@v6

package.json

@@ -35,7 +35,7 @@
     "vitest": "^3.2.4"
   },
   "engines": {
-    "node": ">=18"
+    "node": "^22.11.0 || ^24.11.0 || >=26.0.0"
   },
   "size-limit": [
     {