chore: update version to `0.12.2` #28

Job	Run time
create-release	2s
build-release (x86_64-linux-gnu)	4m 58s
build-release (x86_64-linux-musl)	5m 44s
build-release (aarch64-linux-gnu)	3m 11s
build-release (aarch64-linux-musl)	3m 18s
build-release (armv7-linux-gnueabihf)	3m 4s
build-release (armv7-linux-musleabihf)	3m 20s
build-release (armv7-linux-musleabi)	3m 10s
build-release (x86_64-apple-darwin)	5m 57s
build-release (aarch64-apple-darwin)	2m 28s
build-release (x86_64-pc-windows-msvc)	5m 11s
build-release (x86_64-pc-windows-gnu)	3m 31s
build-release (aarch64-pc-windows-msvc)	6m 51s
build-release (x86_64-netbsd)	3m 33s
build-release (x86_64-freebsd)	3m 24s
	57m 42s

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