Support custom `Sentry.runZoneGuarded` zone creation #1379

Job	Run time
android \| ubuntu-latest \| stable	1m 2s
cancel-previous-workflow	3s
android \| ubuntu-latest \| beta	1m 2s
linux \| ubuntu-latest \| stable	1m 30s
linux \| ubuntu-latest \| beta	1m 34s
ios \| macos-latest \| stable	2m 6s
macos \| macos-latest \| stable	1m 15s
windows \| windows-latest \| stable	2m 47s
analyze / analyze	1m 31s
analyze / cancel-previous-workflow	2s
analyze / package-analysis	1m 34s
	14m 26s

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