Log Message:
keepassxc: update to 2.6.3.

## 2.6.3 (2020-01-12)

### Added

- Support Argon2id KDF [#5778]
- Support XMLv2 key files [#5798]

### Changed

- Improve CSV Import/Export, include time fields and TOTP [#5346]
- Support empty area dragging of the application window [#5860]
- Display default Auto-Type sequence in preview pane [#5654]
- Remove strict length limit on generated passwords [#5748]
- Hide key file path by default when unlocking database [#5779]
- Document browser extension use with Edge in managed mode [#5692]
- Windows: Prevent clipboard history and cloud sync [#5853]
- macOS: Update the application icon to Big Sur styling [#5851]

### Fixed

- Re-select previously selected entry on database unlock [#5559]
- Properly save special character choice in password generator [#5610]
- Fix crash in browser integration with multiple similar entries [#5653]
- Remove offset on username field in classic theme [#5788]
- Ensure entry history is copied when drag/dropping entries and groups [#5817]
- Close modal dialogs when database is locked [#5820]
- Prevent crash when KeeShare modifies an entry that is currently being edited \ 
[#5827]
- Improve preview of entry attributes [#5834]
- Always activate/focus database open dialog preventing mistype [#5878]
- Reports: fix calculation of average password length [#5862]
- Linux: Delay startup on login to correct tray icon issues [#5724]