Always deploy on a Friday

What's Changed

• Don't defer close when the creation failed by @prusnak in #192
• switch to Go 1.17 by @prusnak in #196
• Implement fee-reserve by @prusnak in #193
• Chore/mock lnd by @kiwiidb in #197
• remove all sqlite dependencies and mentions by @kiwiidb in #199
• Chore/v2 api by @kiwiidb in #202
• Make it possible to disable account creation by @prusnak in #198
• Fix makefile by @prusnak in #206
• Introduce MaxReceiveAmount, MaxSendAmount, MaxAccountBalance by @prusnak in #200
• replace username by login by @kiwiidb in #207
• also return user id when generating token by @kiwiidb in #208

Full Changelog: 0.8.0...0.9.0