Upgrade Node.js version

.github/workflows/ci.yaml

@@ -7,18 +7,17 @@ on:
     branches: [ "main" ]
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
+  build_and_test:
+    name: Build and Test (Node ${{ matrix.node-version }})
+    runs-on: ubuntu-slim
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [22.x, 24.x, 26.x]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
-          cache: 'npm'
-      - run: npm install
-      - name: Run ci_test
-        run: npm run ci_test
+      - run: npm ci
+      - run: npm run ci_test

package.json

@@ -38,6 +38,6 @@
     "nyc": "^17.1.0"
   },
   "engines": {
-    "node": ">=18"
+    "node": ">=22"
   }
 }