use node 23 for GitHub actions

Author: dcousens

.github/workflows/tests.yaml

@@ -17,7 +17,7 @@ jobs:
 
       - uses: actions/setup-node@main
         with:
-          node-version: 22
+          node-version: 23
           registry-url: 'https://registry.npmjs.org'
           cache: pnpm