build

curl.sh: disable `RANDOM_FILE` #705

Job	Run time
linux-glibc-debian-testing-llvm	7m 27s
shellcheck	7s
linux-glibc-debian-bookworm-llvm	5m 21s
linux-glibc-debian-testing-gcc	8m 44s
reuse-check	11s
spellcheck	6s
linux-musl-debian-bookworm-gcc	5m 0s
linux-glibc-debian-bookworm-gcc	5m 48s
linux-musl-alpine-llvm	2m 59s
linux-musl-debian-bookworm-llvm	4m 53s
linux-musl-debian-testing-gcc	8m 22s
linux-musl-debian-testing-llvm	7m 21s
linux-musl-alpine-gcc	3m 16s
linux-musl-from-mac	7m 58s
mac-clang	4m 39s
mac-gcc	2m 58s
mac-llvm	3m 33s
win-gcc	6m 17s
win-llvm	8m 6s
win-llvm-from-mac	6m 48s
	1h 39m 54s

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