Support custom `Sentry.runZoneGuarded` zone creation #1663

Job	Run time
android \| ubuntu-latest \| stable	1m 0s
android \| ubuntu-latest \| beta	1m 11s
cancel-previous-workflow	4s
linux \| ubuntu-latest \| stable	1m 22s
linux \| ubuntu-latest \| beta	1m 28s
ios \| macos-latest \| stable	1m 35s
macos \| macos-latest \| stable	1m 23s
windows \| windows-latest \| stable	2m 17s
analyze / analyze	1m 29s
analyze / cancel-previous-workflow	3s
analyze / package-analysis	1m 42s
	13m 34s

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