Hotfix for Fastlane.Swift failing to run all commands

* Version bump to 2.70.3 (#11312) via Joshua Liebowitz
* Update support for `latest` for `download_dsyms` action (#10828) via Shai Mishali
* Verify all env variables are set for deployment (#11251) via Felix Krause
* Update yard development dependency (#11308) via Felix Krause
* Fix version selection with import_from_git (#11270) via Jimmy Dee
* If using system ruby, and json isn't installed, do the right thing (#11306) via Joshua Liebowitz
* Respect skip_type_validation when testing sample code. (#11305) via Mark Pirri
* [supply] replace hardcoded string `en-US` with actual language (#11296) via Jan Piotrowski

https://github.com/fastlane/fastlane/releases/tag/2.70.3
