Push inplace tree weights into predictors (#12071) #14818

Job	Run time
Configure variables for CI	9s
Build libxgboost4j.so targeting glibc 2.17 (arch x86_64, runner linux-amd64-cpu)	2m 12s
Build and test JVM packages (macos-15-intel)	7m 34s
Build libxgboost4j.dylib for MacOS (Apple Silicon)	2m 1s
Build libxgboost4j.so targeting glibc 2.17 (arch aarch64, runner linux-arm64-cpu)	2m 20s
Build libxgboost4j.dylib for MacOS (Intel)	4m 13s
Build and test JVM packages (windows-latest)	11m 49s
Build libxgboost4j.so with CUDA	18m 20s
Build and test JVM packages (Linux, Scala 2.12)	10m 48s
Build and test JVM packages (Linux, Scala 2.13)	5m 32s
Test JVM packages with CUDA (Scala 2.12)	8m 29s
Test JVM packages with CUDA (Scala 2.13)	8m 37s
Deploy JVM packages to S3 (cpu, Scala 2.12)	3m 19s
Deploy JVM packages to S3 (cpu, Scala 2.13)	3m 15s
Deploy JVM packages to S3 (gpu, Scala 2.12)	7m 32s
Deploy JVM packages to S3 (gpu, Scala 2.13)	7m 18s
	1h 43m 28s

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