Revert "ci: Build against Java 25"

This reverts commit db9ffb6.

Author: nstdio

.github/workflows/build.yaml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java-version: [ 8, 11, 17, 21, 25 ]
+        java-version: [ 8, 11, 17, 21, 24 ]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6