ci: add multiple LTS Node.js versions testing

- Add multiple LTS versions testing strategy with Node.js `18`, `20` and `22`.
- Update job name to show Node.js version being tested.

For LTS versions, to visit https://nodejs.org/en/about/previous-releases#nodejs-releases

Author: huiyifyj

.github/workflows/test.yml

@@ -4,15 +4,23 @@ on: [push, pull_request]
 
 jobs:
   test:
+    name: Node.js ${{ matrix.node-version }}
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version:
+          - 22
+          - 20
+          - 18
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
       - name: Install nodejs
         uses: actions/setup-node@v4
         with:
-          node-version: 20.x
+          node-version: ${{ matrix.node-version }}
 
       - name: Run tests
         run: |