feat: bump iOS SDK to version 11.2.0

[russellwheatley]

Description

Bumping should fix phone auth issue on iOS.

Tested frameworks 11.2.0 locally and it works, so just a case of getting CI to go green here.

Related Issues

Related to FF issue:
fixes #13285
fixes #13284
fixes #13379
Related to firebase iOS SDK issue: firebase/firebase-ios-sdk#13479

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Breaking Change

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[OliverNarramore]

Would this fix - #13357 ?

[ariburgos]

Can we prioritize this PR??

Firebase iOS SDK has a lot of fixes between 11.0 and 11.2 https://firebase.google.com/support/release-notes/ios

[russellwheatley]

something odd going on with iOS e2e tests (not firestore e2e). I ran locally and they were successful:

[cyberpwnn]

Ended up just breaking release mode again. Congrats!