Update CI to Java 25

Author: Ben Asmussen

.github/workflows/ci.yml

@@ -9,20 +9,14 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
-    
-    strategy:
-      matrix:
-        java: [ '17', '21' ]
-    
-    name: Java ${{ matrix.java }}
-    
+
     steps:
     - uses: actions/checkout@v4
-    
-    - name: Set up JDK ${{ matrix.java }}
+
+    - name: Set up JDK 25
       uses: actions/setup-java@v4
       with:
-        java-version: ${{ matrix.java }}
+        java-version: 25
         distribution: 'temurin'
         cache: maven