sigstore-rs v0.5.0

Enhancements

• update user-agent value to be specific to sigstore-rs (#122)
• remove /api/v1/version from client by (#121)
• crate async fulcio client (#132)
• Removed ring dependency (#127)

Others

• Update dependencies
• Refactoring and examples for key interface (#123)
• Fix doc test failures (#136)

Contributors

• Bob Callaway (@bobcallaway)
• Bob McWhirter (@bobmcwhirter)
• Flavio Castelli (@flavio)
• Luke Hinds (@lukehinds)
• Xynnn (@Xynnn007)