[Java] Upgrade to Gradle 8.12.1. #8199

Job	Run time
C++ Clang 9 (Ubuntu 20.04)	11m 21s
C++ GCC 6 (Ubuntu 20.04)	10m 46s
C++ Clang 10 (Ubuntu 20.04)	11m 40s
C++ GCC 7 (Ubuntu 20.04)	10m 36s
C++ Clang 11 (Ubuntu 20.04)	11m 44s
C++ GCC 8 (Ubuntu 20.04)	9m 58s
C++ Clang 12 (Ubuntu 20.04)	11m 54s
C++ GCC 9 (Ubuntu 20.04)	11m 8s
C++ GCC 10 (Ubuntu 20.04)	10m 39s
C++ Rocky 8 (10)	11m 27s
C++ GCC 11 (Ubuntu 24.04)	10m 21s
Java 17 (ubuntu-24.04)	5m 27s
C++ GCC 12 (Ubuntu 24.04)	12m 51s
Java Topology Tests (JDK 17, ubuntu-24.04)	3m 39s
Java 17 (windows-latest)	9m 41s
C++ GCC 13 (Ubuntu 24.04)	12m 16s
Java 17 (macos-latest)	6m 43s
C++ GCC 14 (Ubuntu 24.04)	12m 43s
Java 21 (ubuntu-24.04)	5m 23s
Java 21 (windows-latest)	9m 43s
Java 21 (macos-latest)	7m 28s
C++ Clang 19 debug build	12m 26s
Java 23 (ubuntu-24.04)	5m 14s
Java 23 (windows-latest)	11m 18s
C++ Clang 13 (Ubuntu 24.04)	12m 20s
Java 23 (macos-latest)	7m 26s
C++ Clang 14 (Ubuntu 24.04)	11m 1s
C++ Clang 15 (Ubuntu 24.04)	11m 52s
C++ Clang 16 (Ubuntu 24.04)	10m 46s
C++ MSVC (Windows)	15m 45s
C++ Clang 17 (Ubuntu 24.04)	12m 5s
C++ Xcode (macOS)	15m 9s
C++ Clang 18 (Ubuntu 24.04)	10m 40s
C++ Clang 19 (Ubuntu 24.04)	10m 50s
	5h 54m 20s

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