Start testing on Node v23

Author: pimterry

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x, v20.11.1, 22.x]
+        node-version: [16.x, 18.x, 20.x, v20.11.1, 22.x, 23.x]
 
     steps:
       - uses: actions/checkout@v4