Create GitHub release for 0.16

[mkurz]

https://github.com/frankosterfeld/qtkeychain/releases

Is missing today's release. Should be marked as latest stable I guess.

Thank you very much!

[mkurz]

Thanks!

[mkurz]

@frankosterfeld but you did not set it as latest... still 0.15.0...

[frankosterfeld]

@mkurz oups, fixed :)

[michaelk83]

Also forgot to mention #294 , which is important for ongoing migration efforts in KDE.