Bumps to the latest stable version while fixing CVE-2018-14345 [1].
Changelog [2]:
- Support theme supplied avatars
- Compile against Qt 5.11
- Fix platform detection for HighDPI
- On close, switch VT to a running session if applicable
- Better ConsoleKit support
- Fix authentication when non-default hidden option ReuseSession=true is used (CVE-2018-14345)
- Hide sessions with NoDisplay=true
- Honor PAM's ambient supplemental groups
- Cleanup socket destruction
- Don't quit on SIGHUP
- Updated translations
[1] https://nvd.nist.gov/vuln/detail/CVE-2018-14345
[2] https://github.com/sddm/sddm/releases/tag/v0.18.0