Fix error when pod has no IPHONEOS_DEPLOYMENT_TARGET (0.66-stable)

[Yonom]

Co-Authored-By: William Bell [email protected]

ℹ️ This is a cherry-pick of #32746 to 0.66-stable

Summary

If one of the pods has no IPHONEOS_DEPLOYMENT_TARGET, the M1 postinstall workaround script fails. This commit updates the code to handle this special case.

Changelog

[iOS] [Fixed] - __apply_Xcode_12_5_M1_post_install_workaround failing when one of the Pods has no IPHONEOS_DEPLOYMENT_TARGET set

Test Plan

reactwg/react-native-releases#6 (reply in thread)

[pull-bot]

	Warnings
⚠️	❔ Base Branch - The base branch for this PR is something other than main. Are you sure you want to merge these changes into a stable release? If you are interested in backporting updates to an older release, the suggested approach is to land those changes on main first and then cherry-pick the commits into the branch for that release. The Releases Guide has more information.

Generated by 🚫 dangerJS against 7bd0100

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
ios	-	universal	n/a	--

Base commit: 34efaab

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	8,942,998	+649,741
android	hermes	armeabi-v7a	8,477,897	+854,170
android	hermes	x86	9,362,010	+598,152
android	hermes	x86_64	9,329,251	+626,432
android	jsc	arm64-v8a	10,626,434	+944,770
android	jsc	armeabi-v7a	9,548,844	+880,012
android	jsc	x86	10,639,735	+1,001,953
android	jsc	x86_64	11,250,649	+1,016,315

Base commit: 34efaab

[Yonom]

Closing due to inactivity.