Fix missing "runtime_info" package documentation #2628

Job	Run time
Lint bash, docker, markdown, and yaml	1m 23s
Validate musl Docker image builds	40s
Validate GNU Docker image builds	58s
Validate GNU Docker release image builds	43s
Validate musl Docker release image builds	19s
Validate Windows Docker image builds	2m 2s
Validate Windows Docker release image builds	2m 3s
Verify CHANGELOG is valid	10s
x86-64 Linux glibc	5m 29s
x86-64 Linux musl	5m 24s
aarch64 Linux glibc	4m 47s
armhf Linux glibc	51m 20s
arm Linux glibc	50m 6s
riscv64 Linux glibc	49m 5s
x86-64 Windows MSVC	18m 15s
x86-64 Apple Darwin	6m 40s
use ${{ matrix.directives }}	0s
	3h 19m 24s

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