feat: Send debug meta for app start transactions (#3543) #6444

Job	Run time
Sample macOS-Swift	3m 12s
Sample iOS13-Swift	3m 24s
Release Build of iOS Swift	4m 8s
Sample watchOS	2m 47s
Build XCFramework	15m 56s
Validate Swift Package Manager	1m 26s
Check UIKit linkage (Debug)	2m 3s
Check no UIKit linkage (Debug_without_UIKit)	3m 58s
Check no UIKit linkage (Release_without_UIKit)	2m 19s
Build with Swift	1m 9s
Validate Swift Package Manager Dynamic	1m 24s
Check UIKit linkage (Release)	2m 32s
Validate XCFramework	1m 55s
	46m 13s

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