[Carthage] 5.0.0

[balitm]

Running carthage update --platform iOS RxDataSources I got the following error:

Parse error: expected submodule commit SHA in output of task (ls-tree -z 5.0.0 Carthage/Checkouts/RxSwift) but encountered: 

Running Carthage build (git submodule problem):

A shell task (/usr/bin/xcrun xcodebuild -project /Users/<username>/Work/BCS/wizz-air/Carthage/Checkouts/RxDataSources/RxDataSources.xcodeproj CODE_SIGNING_REQUIRED=NO CODE_SIGN_IDENTITY= CARTHAGE=YES -list) failed with exit code 74:
xcodebuild: error: Could not resolve package dependencies:
  terminated(128): ... /Applications/Xcode.app/Contents/Developer/usr/bin/git -C /Users/<username>/Library/Developer/Xcode/DerivedData/RxDataSources-cvjzjqugvwdcsbcvzjzvpzfdtnda/SourcePackages/repositories/RxSwift-17ad69a9 rev-parse --verify '4e5f359d1313fa6fac816ab309431c214d706faa^{commit}' output:
    fatal: Needed a single revision

Xcode project version of RxDataSources is 4.0.1

[balitm]

Fix: #392