v0.50.0-beta.8

Major changes

• 23cc724: merge russh-keys into russh (#450) #450

The russh_keys crate has been fully merged into russh. If you have been importing from russh::keys, no changes are needed, otherwise remove the russh_keys dependency and replace all use russh_keys imports with use russh::keys.

Other changes

• d9fb484: Include error-reason when failining in CryptoVec unix (#443) (Adrian Müller (DTT)) #443
• 662ffa5: added From<[MethodKind]> for MethodSet

Fixes

• cb22369: src/platform/unix.rs:cfg detect macos (#447) (@RandyMcMillan) #447