fix(app-check): fix 'Semantic Issue (Xcode): new is unavailable' on XCode 14.3

[Lyokone]

Description

The Podfile modifications cannot be moved to the podspec (and are unrelated to AppCheck) since it concerns another library.

Related Issues

fixes #10694

Checklist

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Breaking Change

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[derohimat]

working with this fix

[otopba]

It would be great to see this PR in release

[emmaweberyd]

works like a charm 🪄