Build i386 container #24

Job	Run time
Build CI containers (xgb-ci.clang_tidy)	2m 29s
Build CI containers (xgb-ci.cpu)	11m 57s
Build CI containers (xgb-ci.gpu)	7m 42s
Build CI containers (xgb-ci.gpu_build_r_rockylinux8)	11m 30s
Build CI containers (xgb-ci.gpu_build_rockylinux8)	12m 50s
Build CI containers (xgb-ci.gpu_build_rockylinux8_dev_ver)	12m 58s
Build CI containers (xgb-ci.jvm)	2m 54s
Build CI containers (xgb-ci.jvm_gpu_build)	5m 4s
Build CI containers (xgb-ci.manylinux_2_28_x86_64)	32s
Build CI containers (xgb-ci.manylinux2014_x86_64)	1m 23s
Build CI containers (xgb-ci.i386)	57s
Build CI containers (xgb-ci.aarch64)	3m 52s
Build CI containers (xgb-ci.manylinux2014_aarch64)	1m 1s
	1h 15m 9s

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