Log Message:
keepassxc: Update to 2.6.2

Changelog:
## 2.6.2 (2020-10-21)

### Added

- Add option to keep window always on top to view menu [#5542]
- Move show/hide usernames and passwords to view menu [#5542]
- Add command line options and environment variables for changing the config \ 
locations [#5452]
- Include TOTP settings in CSV import/export and add support for ISO datetimes \ 
[#5346]

### Changed

- Mask sensitive information in command execution confirmation prompt [#5542]
- SSH Agent: Avoid shortcut conflict on macOS by changing "Add key" to \ 
Ctrl+H on all platforms [#5484]