chore: Make SentrySDK final (#6746)

Author: noahsmartin

Sources/Swift/Helper/SentrySDK.swift

@@ -4,7 +4,7 @@ import Foundation
 
 /// The main entry point for the Sentry SDK.
 /// We recommend using `start(configureOptions:)` to initialize Sentry.
-@objc open class SentrySDK: NSObject {
+@objc public final class SentrySDK: NSObject {
 
     // MARK: - Public
 

sdk_api.json

@@ -41700,8 +41700,8 @@
         "usr": "c:@M@Sentry@objc(cs)SentrySDK",
         "mangledName": "$s6Sentry0A3SDKC",
         "moduleName": "Sentry",
-        "isOpen": true,
         "declAttributes": [
+          "Final",
           "ObjC"
         ],
         "superclassUsr": "c:objc(cs)NSObject",