add node 20 to test

Author: Elson Correia

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
 
         strategy:
             matrix:
-                node-version: [16.x, 18.x]
+                node-version: [16.x, 18.x, 20.x]
                 # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
         steps: