chore: prep for 0.91.0 release #242

Job	Run time
Build and test (windows-latest, stable, x86_64-pc-windows-gnu)	3m 34s
Build and test (macOS-arm-latest, stable)	2m 38s
Build and test (ubuntu-latest, stable)	2m 2s
Cross compile (i686-unknown-linux-gnu)	1m 15s
cargo deny	26s
Android Build Only (armv7-linux-androideabi)	1m 15s
Android Build Only (aarch64-linux-android)	1m 17s
Checking fmt and docs	1m 17s
clippy_check	1m 13s
Build and test (macOS-arm-latest, stable)	2m 38s
Build and test (ubuntu-latest, stable)	2m 2s
clippy_check	1m 13s
Android Build Only (armv7-linux-androideabi)	1m 15s
Checking fmt and docs	1m 17s
Cross compile (i686-unknown-linux-gnu)	1m 15s
Build and test (windows-latest, stable, x86_64-pc-windows-gnu)	3m 34s
cargo deny	26s
Android Build Only (aarch64-linux-android)	1m 17s
	29m 54s

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