Java 25 for CI builds

Author: sebersole

.github/workflows/ci.yml

@@ -161,11 +161,11 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
-      - name: Set up Java 21
+      - name: Set up Java 25
         uses: graalvm/setup-graalvm@aafbedb8d382ed0ca6167d3a051415f20c859274 # v1.2.8
         with:
           distribution: 'graalvm'
-          java-version: '21'
+          java-version: '25'
       - name: Generate cache key
         id: cache-key
         run: |