Prep for release v0.2.2 #2190

Job	Run time
Test FFI (stable, ubuntu-latest)	23s
Documentation	25s
MSRV	23s
Test (stable, windows-latest)	1m 57s
Test (stable, macos-latest)	45s
Test (stable, ubuntu-latest)	28s
Lint	37s
Test feature matrix	2m 23s
	7m 21s

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