add node v19 to CI

Author: 75lb

.github/workflows/node.js.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12, 14, 16, 18]
+        node-version: [12, 14, 16, 18, 19]
 
     steps:
     - uses: actions/checkout@v2