check

internal: add sys package #4686

Job	Run time
license-header-check	8s
build (ubuntu-latest)	2m 1s
coverage-check	15s
bleeding-check (macos-latest)	1m 15s
build (macos-latest)	1m 16s
moon-json-format-check	3s
bleeding-check (ubuntu-latest)	1m 59s
build (macos-13)	2m 17s
build (windows-latest)	1m 11s
nightly-check (ubuntu-latest)	2m 0s
nightly-check (macos-latest)	1m 34s
typo-check	5s
nightly-check (macos-13)	2m 47s
nightly-check (windows-latest)	1m 31s
	18m 22s

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