Horreum fails to build on JDK23

[johnaohara]

Describe the bug

Horreum fails to build on jdk23 with the following error;

$ java -version
openjdk version "23" 2024-09-17
OpenJDK Runtime Environment Homebrew (build 23)
OpenJDK 64-Bit Server VM Homebrew (build 23, mixed mode, sharing)

...
        Caused by: java.lang.ExceptionInInitializerError: Exception java.lang.NoSuchMethodError: 'void sun.misc.Unsafe.ensureClassInitialized(java.lang.Class)' [in thread "executor-thread-3"]
                at com.oracle.truffle.api.library.LibraryFactory.ensureLibraryInitialized(LibraryFactory.java:385)