Log Message:
upower: update to 0.99.12

(Evidently upstream doesn't publish each release to a common directory
anymore; instead they use a process that generates a unique tagged
path.)

Version 0.99.12
~~~~~~~~~~~~~~~
Released: 2021-06-17

New Features:
- Add a raft of new device types
- Add support for iPhone XR, XS and newer models

Bug fixes:
- Work-around incorrect battery percentage reported by MacBooks
- Identify keyboard/pointing device combos as keyboards
- Fix small memory leak in Bluetooth backend
- Fix warning in Bluetooth backend
- Set update time in Bluetooth backend
- Remove support for obsolete CSR devices