v0.21.0-beta

What's Changed

• Bump num_enum from 0.7.0 to 0.7.1 by @dependabot in #718
• Reverse payment list in example CLI app by @danielgranhao in #719
• Rename example node to just node by @andrei-21 in #720
• Minor improvements by @andrei-21 in #721
• Change invoice argument to InvoiceDetails for pay_*_invoice() by @andrei-21 in #725
• Implement background swap redeem by @danielgranhao in #724
• Remove unnecessary TryFromPrimitive by @andrei-21 in #728
• Use anyhow in the cli app by @andrei-21 in #726
• Implement macroses for errors by @andrei-21 in #729
• Change topup currency type to string by @danielgranhao in #730

Full Changelog: v0.20.0-beta...v0.21.0-beta