build: add node v18 (#16)

Author: aladdin-add

.github/workflows/CI.yml

@@ -44,7 +44,9 @@ jobs:
           - os: ubuntu-latest
             node: "17.x"
             eslint: "8.x"
-
+          - os: ubuntu-latest
+            node: "18.x"
+            eslint: "8.x"
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout