Set Xcode Project Build Number v2.0.6

[system]

What’s Changed

• Empty error fix by @godrei in Empty error fix by godrei · Pull Request #50 · bitrise-steplib/steps-set-xcode-build-number · GitHub

Full Changelog: Comparing 2.0.5...2.0.6 · bitrise-steplib/steps-set-xcode-build-number · GitHub

Release 2.0.6 · bitrise-steplib/steps-set-xcode-build-number