ci: update Node.js versions

.github/workflows/ci.yml

@@ -1,25 +1,29 @@
 name: ci
 
-on: [push]
+on:
+  - push
+  - pull_request
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
-        node: [ '18', '16', '14' ]
+        node: ['22', '20', '18']
     name: Node ${{ matrix.node }} CI
     steps:
-    - uses: actions/checkout@v1
-    - name: Setup node
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node }}
-    - name: npm install, build, lint, and test
-      run: |
-        npm ci
-        npm run build
-        npm run lint
-        npm test
-      env:
-        CI: true
+      - uses: actions/checkout@v4
+
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: npm install, build, lint, and test
+        run: |
+          npm ci
+          npm run build
+          npm run lint
+          npm test
+        env:
+          CI: true