[Fastlane.Swift] Fix Fastfile.swift template syntax error

[martinolee]

Checklist

• I've run bundle exec rspec from the root directory to see all new and existing tests pass
• I've followed the fastlane code style and run bundle exec rubocop -a to ensure the code style is valid
• I've read the Contribution Guidelines
• I've updated the documentation if necessary.

Motivation and Context

While I was applying fastlane to project I faced issue that default Fastfile.swift template has syntax error.
I noticed this syntax error occurred when I select option not to upload metadata to App Store Connect.

My goal with this PR is to resolve syntax error in Fastfile.swift template.

Description

• Replaced app argument of uploadToAppStore method to be placed at the end in default swift Fastfile template.

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[martinolee]

@googlebot I signed it!

[minuscorp]

It'd be great to run the remaining steps before a formal review 🙌

[martinolee]

I've run the remaining steps! 🙆

[google-cla]

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[joshdholtz]

@googlebot I consent.

[joshdholtz]

@martinolee Thanks so much for making this PR! Your change was a good change 😊 I had no idea that order was messed up. I also took the liberty to add a commit that swapped out using app or app_identifier since that one is technically more correct 😇

Would you mind checking out my change to make sure that still works for you? 😊

[joshdholtz]

Going to merge this in today! Thank you for making this fix for us ❤️ Really appreciate it!

[fastlane-bot]

Hey @martinolee 👋

Thank you for your contribution to fastlane and congrats on getting this pull request merged 🎉
The code change now lives in the master branch, however it wasn't released to RubyGems yet.
We usually ship about once a week, and your PR will be included in the next one.

Please let us know if this change requires an immediate release by adding a comment here 👍
We'll notify you once we shipped a new release with your changes 🚀

[fastlane-bot]

Congratulations! 🎉 This was released as part of fastlane 2.185.1 🚀