Check en0..en8 when generating ip.txt for iOS debug builds

[malord]

Summary

When generating ip.txt in an iOS debug build, search en0 through en8 for an IP address rather than only checking en0 and en1. For example, on my Mac, the IP address I needed to use was on en5 and the IP address actually detected was a private network of one of my Parallels virtual machines (interface vnic0).

Changelog

[iOS] [Fixed] - Search en0 through en8 for the Metro Bundler's IP address when generating iOS debug builds

Test Plan

Should make no difference to users for whom react-native-xcode.sh already worked. On a Mac with multiple virtual machines installed, should prevent ip.txt getting the private IP address of a virtual machine.

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Messages

📖

📋 Verify Changelog Format - A changelog entry has the following format: [CATEGORY] [TYPE] - Message. CATEGORY may be: General iOS Android JavaScript Internal (for changes that do not need to be called out in the release notes) TYPE may be: Added, for new features. Changed, for changes in existing functionality. Deprecated, for soon-to-be removed features. Removed, for now removed features. Fixed, for any bug fixes. Security, in case of vulnerabilities. MESSAGE may answer "what and why" on a feature level. Use this to briefly tell React Native users about notable changes.

Generated by 🚫 dangerJS against 61a659f

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[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	6,743,459	0
android	hermes	armeabi-v7a	6,408,435	0
android	hermes	x86	7,125,350	0
android	hermes	x86_64	7,015,749	0
android	jsc	arm64-v8a	8,911,979	0
android	jsc	armeabi-v7a	8,569,368	0
android	jsc	x86	8,737,026	0
android	jsc	x86_64	9,313,037	0

Base commit: e3e9008

[analysis-bot]

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

Base commit: e3e9008

[facebook-github-bot]

@shergin is landing this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[react-native-bot]

This pull request was successfully merged by Mark Lord in b2b23a2.

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