This update for torbrowser-launcher fixes the following issues:

- Add new non-expired signing key: tor-browser-developers.asc
- Add torbrowser-launcher-version-check.patch to fix version
  checking so that torbrowser version 10.0 is not treated as older
  than version 9.x [boo#1178299].

This update was imported from the openSUSE:Leap:15.1:Update update project.