[spaceship] adding missing localizations attribute to AppStoreVersion

[gsavit]

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

Adding an attribute to the AppStoreVersion model for localizations so that data can be included in calls.

Description

Testing Steps

[google-cla]

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[rogerluan]

@googlebot I consent.

[joshdholtz]

Looks good to me! Thanks for adding this ❤️

[fastlane-bot]

Congratulations! 🎉 This was released as part of fastlane 2.172.0 🚀