Use ubuntu-22.04-arm instead of QEMU. #1087

Job	Run time
Linux Clang - Format check	36s
GCC 14 / LLVM 20 @ Ubuntu Release @ubuntu-22.04 (amd64)	1m 10s
GCC 14 / LLVM 20 @ Ubuntu Release LLVM source tree	1m 55s
GCC 14 / LLVM 20 @ Ubuntu Code Coverage (libc++) @ubuntu-22.04 (amd64)	3m 24s
GCC 14 / LLVM 20 @ Ubuntu Code Coverage & Debug @ubuntu-22.04 (amd64)	3m 22s
GCC 14 / LLVM 20 @ Ubuntu Code Coverage & Debug @ubuntu-22.04-arm (arm64)	3m 22s
GCC 14 / LLVM 20 @ Ubuntu Release @ubuntu-22.04-arm (arm64)	1m 24s
GCC 14 / LLVM 20 @ Ubuntu Code Coverage (libc++) @ubuntu-22.04-arm (arm64)	3m 21s
Clang 20 / LLVM 20 @ macOS Release	2m 43s
Clang 20 / LLVM 20 @ macOS Debug	43s
Clang 20 / LLVM 20 @ macOS Coverage & Debug	2m 44s
Final Deploy	1s
	24m 45s

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