build

try grouping 3 #677

Job	Run time
linux-glibc-debian-bookworm-gcc	50s
linux-glibc-debian-sid-llvm-riscv64	12s
linux-glibc-debian-sid-gcc-riscv64	9s
linux-glibc-debian-bookworm-llvm	54s
linux-glibc-debian-testing-gcc	8s
linux-glibc-debian-testing-llvm	55s
linux-musl-alpine-gcc	25s
linux-musl-alpine-llvm	24s
linux-musl-debian-bookworm-gcc	1m 3s
linux-musl-debian-bookworm-llvm	1m 7s
linux-musl-debian-sid-gcc-riscv64	18s
linux-musl-debian-sid-llvm-riscv64	1m 8s
linux-musl-debian-testing-gcc	1m 6s
linux-musl-debian-testing-llvm	59s
linux-musl-from-mac	1m 55s
mac-clang	1m 9s
mac-gcc	51s
mac-llvm	1m 6s
reuse-check	7s
shellcheck	6s
spellcheck	3s
win-gcc	1m 14s
win-llvm	1m 21s
win-llvm-from-mac	2m 33s
	20m 3s

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