Use cp-ubuntu-24.04 with ubuntu 22.04 image on slow PR job #488

Job	Run time
Call PR testing on schedule / run_clang_format	10s
Call PR testing on schedule / run_host_x86_64	28m 31s
Call PR testing on schedule / run_riscv_m1	23m 17s
Call PR testing on schedule / run_clang_tidy_changes	2m 14s
Call PR testing on schedule / run_ubuntu_gcc_x86_64_riscv_fp16_cl3_0_unitcl_vecz	39m 29s
Call PR testing on schedule / run_windows_msvc_x86_64_llvm_latest_cl3_0_offline	39m 17s
Call PR testing on schedule / run-ubuntu-clang-x86-llvm-latest-cl3-0-offline	26m 55s
Call PR testing on schedule / run-ubuntu-gcc-aarch64-llvm-latest-cl3-0-fp16	7m 49s
Call PR testing on schedule / run-ubuntu-gcc-x86_64-clik-refsi	1m 29s
Call PR testing on schedule / run-ubuntu-gcc-x86_64-refsi-g1-wi-cl3-0	0s
Call PR testing on schedule / run-ubuntu-gcc-x86_64-riscv-fp16-cl3-0	39m 29s
Call PR testing on schedule / run-ubuntu-gcc-x86-llvm-latest-x86_64-images-cl3-0-release	31m 59s
	4h 0m 39s

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