[utils] Recode fn `json_dumps`, `json_loads` #776

Job	Run time
sdist	18s
linux (ubuntu-20.04, x86_64)	3m 20s
linux (ubuntu-22.04, aarch64)	5m 42s
musllinux (ubuntu-latest, x86_64)	3m 34s
windows (windows-latest, x64)	6m 31s
macos (macos-12, x86_64)	4m 15s
musllinux (ubuntu-latest, aarch64)	7m 2s
macos (macos-14, aarch64)	2m 57s
benchmark	6m 34s
Release	0s
	40m 13s

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