chore(actions): add test for nodejs v18, v19 (#315)

Author: ota-meshi

.github/workflows/NodeCI.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x, 17.x]
+        node-version: [12.x, 14.x, 16.x, 17.x, 18.x, 19.x]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}