convert circleci mac and ios workflows to github actions

[robandpdx]

Summary:

This pull request converts the CircleCI workflows to GitHub actions workflows. This change only inlcudes the mac and ios build and test jobs.

Changelog:

[Internal] - Migrate iOS to github actions

Test Plan:

Here is the latest workflow run in my fork.

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https://fburl.com/workplace/f6mz6tmw

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	19,400,705	-10,308
android	hermes	armeabi-v7a	n/a	--
android	hermes	x86	n/a	--
android	hermes	x86_64	n/a	--
android	jsc	arm64-v8a	22,776,115	-8,239
android	jsc	armeabi-v7a	n/a	--
android	jsc	x86	n/a	--
android	jsc	x86_64	n/a	--

Base commit: 132563d81c5533dc837f034e42117614a9cd20ef Branch: main

[facebook-github-bot]

@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[facebook-github-bot]

@cipolleschi merged this pull request in facebook/react-native@d224e8c91183eadb2cd7f3d4f4ebaf372cac24ec.

[github-actions[bot]]

This pull request was successfully merged by @robandpdx in d224e8c91183eadb2cd7f3d4f4ebaf372cac24ec.

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