wire-desktop: 3.6.2885 -> 3.7.2891

Wire uses Electron 4.08 and support for i686-linux
has been dropped in 4.0  [0]

Release Notes:
https://medium.com/wire-news/linux-3-7-2891-edc6f663c0b2

Changelog:
https://github.com/wireapp/wire-desktop/compare/linux/3.6.2885...linux/3.7.2891

[0]: https://electronjs.org/blog/linux-32bit-support