[CI] Use env to store base Java version. #8127

Job	Run time
C++ Clang 19 debug build	3m 37s
C++ Clang 13 (Ubuntu 24.04)	3m 37s
C++ Clang 9 (Ubuntu 20.04)	3m 38s
C++ GCC 6 (Ubuntu 20.04)	3m 37s
C++ Clang 14 (Ubuntu 24.04)	3m 37s
C++ Clang 10 (Ubuntu 20.04)	3m 39s
C++ GCC 11 (Ubuntu 24.04)	3m 35s
C++ GCC 7 (Ubuntu 20.04)	3m 36s
C++ Clang 15 (Ubuntu 24.04)	3m 38s
C++ Clang 11 (Ubuntu 20.04)	3m 38s
C++ GCC 12 (Ubuntu 24.04)	3m 34s
C++ GCC 8 (Ubuntu 20.04)	3m 36s
C++ Clang 16 (Ubuntu 24.04)	3m 37s
C++ Clang 12 (Ubuntu 20.04)	3m 37s
C++ GCC 13 (Ubuntu 24.04)	3m 35s
C++ GCC 9 (Ubuntu 20.04)	3m 36s
C++ Clang 17 (Ubuntu 24.04)	3m 36s
C++ GCC 10 (Ubuntu 20.04)	3m 36s
C++ GCC 14 (Ubuntu 24.04)	3m 35s
C++ Clang 18 (Ubuntu 24.04)	3m 36s
C++ Clang 19 (Ubuntu 24.04)	3m 37s
C++ Rocky 8 (10)	3m 34s
C++ MSVC (Windows)	3m 22s
C++ Xcode (macOS)	3m 35s
Java 17 (ubuntu-24.04)	3m 35s
Java Topology Tests (JDK 17, ubuntu-24.04)	2m 46s
Java 17 (windows-latest)	3m 23s
Java 17 (macos-latest)	3m 36s
Java 21 (ubuntu-24.04)	3m 33s
Java 21 (windows-latest)	3m 30s
Java 21 (macos-latest)	3m 34s
Java 23 (ubuntu-24.04)	3m 33s
Java 23 (windows-latest)	3m 22s
Java 23 (macos-latest)	3m 35s
	2h 0m 45s

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