Test on JDK 23 and 24-ea

Author: wendigo

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: ['21', '22']
+        java: ['23', '24-ea']
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-java@v2