v0.61.2

Changes

• f1a0f18: fixed #716 - ensure dynamic AgentClient refs are generally Send (#717) (Eugene) #717
• 6dc4919: expose channel number from ChannelId (Eugene)

Fixes

• support SEC1 EC keys with full domain parameters (#719) #719 (Moder Steven)
• aa48fa7: make DhGroup fields public (Eugene)
• ca8ae67: update auth_publickey_offered doc (Eugene)
• 761483a: fixed #720 - bump deps (#721) (Eugene) #721