Bump CI from Java 24 to 25 and 25-ea to 26-ea

Author: garydgregory

.github/workflows/maven.yml

@@ -31,10 +31,10 @@ jobs:
     continue-on-error: ${{ matrix.experimental }}
     strategy:
       matrix:
-        java: [ 8, 11, 17, 21, 24 ]
+        java: [ 8, 11, 17, 21, 25 ]
         experimental: [false]
         include:
-          - java: 25-ea
+          - java: 26-ea
             experimental: true
 
     steps: