Improvements

* Download screenshots: add `use_live_version` option (#11640) via Andrea Cipriani
*  Swift Runner Upgrader always finds something to upgrade (#11635) via Joshua Liebowitz
* Missing cert expiration in nuke causes crash (#11631) via Joshua Liebowitz
* Do not show step text for environment_variable action. (#11626) via Thi
* sort candidate_builds by upload_date (#11602) via Taras Vozniuk
* Appaloosa action - Enforce API_KEY on private signed form (#11545) via Benoit Tigeot
* Fix `fastlane init` crash when having no iOS or Android project (#11621) via Felix Krause

https://github.com/fastlane/fastlane/releases/tag/2.78.0
