Remove Node.js 18 support

Author: ai

.github/workflows/test.yml

@@ -33,7 +33,6 @@ jobs:
       matrix:
         node-version:
           - 20
-          - 18
     name: Node.js ${{ matrix.node-version }} Quick
     steps:
       - name: Checkout the repository

package.json

@@ -29,7 +29,7 @@
     "./package.json": "./package.json"
   },
   "engines": {
-    "node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+    "node": "^20.0.0 || >=22.0.0"
   },
   "dependencies": {
     "nanoevents": "^9.0.0"