refactor: Migrate SentryMsgPackSerializer from Objective-C to Swift #14799

Job	Run time
Detect File Changes	5s
Build the distribution framework	1m 21s
Build with SPM	2m 13s
Release Build of iOS Swift	4m 29s
Build SDK v9	1m 14s
Check no UIKit linkage (DebugWithoutUIKit)	1m 10s
Sample macOS-SwiftUI Debug	1m 37s
Sample watchOS-Swift WatchKit App Debug	5m 0s
Sample SessionReplay-CameraTest Debug	3m 4s
Sample tvOS-Swift DebugV9	3m 25s
Sample macOS-Swift DebugV9	1m 36s
Sample iOS-SwiftUI DebugV9	2m 13s
Sample iOS-Swift DebugV9	4m 16s
Sample visionOS-Swift Debug	2m 10s
Sample macOS-Swift Debug	2m 23s
Check UIKit linkage (Release)	2m 20s
Check UIKit linkage (Debug)	1m 29s
Sample iOS-ObjectiveC DebugV9	3m 2s
Sample visionOS-Swift DebugV9	1m 54s
Check no UIKit linkage (ReleaseWithoutUIKit)	1m 12s
Check compiling Async Safe Logs	1m 26s
Sample DistributionSample Debug	1m 42s
Build	3s
	49m 24s

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