Java 23 fails on Windows, back to experimental

Author: garydgregory

.github/workflows/maven.yml

@@ -28,9 +28,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-13]
-        java: [ 8, 11, 17, 21, 23 ]
+        java: [ 8, 11, 17, 21 ]
         experimental: [false]
         include:
+          - java: 23
+            experimental: true
+            os: ubuntu-latest
           - java: 24-ea
             experimental: true
             os: ubuntu-latest