New actions and Improvements

* Added `download_dsym` action to download dSYM files from Apple iTunes Connect
* Added `rocket` action 🚀
* Added `IFTTT` Maker Channel action
* Added `sentry` action for uploading dSYM files
* Updated cp command flag to use recursive copy
* Turned off logging for certain params in `crashlytics` action
* Check for `highest_installed_gems` in `update_action`
* Improved logging UI
* Improves workspace detection in `update_app_identifier` action
* Added platform option to `upload_symbols_to_crashlytics` action
* Add array parameter in `ensure_no_debug_code` action along with grep '--include flag'
* Improved `s3` action to use s3 sdk
* Improved `gradle` to allow running on ios platform

https://github.com/fastlane/fastlane/releases/tag/1.67.0
