Drop node v18 and add node v22 as lts/*

Author: asamuzaK

.github/workflows/build.yml

@@ -14,8 +14,8 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - 18
           - 20
+          - lts/*
           - latest
     steps:
     - uses: actions/checkout@v4

package.json

@@ -67,6 +67,6 @@
   },
   "license": "MIT",
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   }
 }