Deterministic serialisation for cross binary communication #2810

Job	Run time
armhf Linux glibc	28m 10s
arm Linux glibc	29m 57s
aarch64 Linux glibc	21m 24s
arm64 Apple Darwin	23m 37s
riscv64 Linux glibc	24m 31s
Lint bash, docker, markdown, and yaml	1m 44s
Validate GNU Docker image builds	39s
Validate GNU Docker release image builds	42s
Validate musl Docker image builds	19s
Validate musl Docker release image builds	27s
Validate Windows Docker image builds	2m 8s
Validate Windows Docker release image builds	1m 41s
Verify CHANGELOG is valid	25s
x86-64 Linux glibc	21m 23s
x86-64 Apple Darwin	37m 31s
x86-64 Linux musl	24m 34s
x86-64 Windows MSVC	39m 7s
use dtrace	23m 4s
use pool_memalign	24m 49s
use runtimestats	21m 36s
	5h 27m 48s

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