test node v18 (#898)

* Use node v18 locally

* update test actions

.github/workflows/test.yml

@@ -6,10 +6,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Use Node.js 14.x
+      - name: Use Node.js 18.x
         uses: actions/setup-node@v3.5.1
         with:
-          node-version: 14.x
+          node-version: 18.x
       - run: npm ci
       - name: save cache
         uses: actions/cache@v3.2.2
@@ -24,10 +24,10 @@ jobs:
     needs: build
     steps:
       - uses: actions/checkout@v3
-      - name: Use Node.js 14.x
+      - name: Use Node.js 18.x
         uses: actions/setup-node@v3.5.1
         with:
-          node-version: 14.x
+          node-version: 18.x
       - name: download cache
         uses: actions/cache@v3.2.2
         with:
@@ -54,7 +54,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x]
+        node-version: [14.x, 16.x, 18.x]
 
     steps:
       - uses: actions/checkout@v3