SDK-1613 update version to 2.0.0. Update changelog

Author: echo-branch

BranchSDK.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "BranchSDK"
-  s.version          = "1.45.2"
+  s.version          = "2.0.0"
   s.summary          = "Create an HTTP URL for any piece of content in your app"
   s.description      = <<-DESC
 - Want the highest possible conversions on your sharing feature?
@@ -34,5 +34,5 @@ Use the Branch SDK (branch.io) to create and power the links that point back to
 
   s.frameworks = 'CoreServices', 'SystemConfiguration'
   s.weak_framework = 'LinkPresentation'
-  s.ios.frameworks = 'WebKit', 'iAd', 'CoreTelephony'
+  s.ios.frameworks = 'WebKit', 'CoreTelephony'
 end

BranchSDK/BNCConfig.m

@@ -11,4 +11,4 @@
 NSString * const BNC_API_BASE_URL    = @"https://api2.branch.io";
 NSString * const BNC_API_VERSION     = @"v1";
 NSString * const BNC_LINK_URL        = @"https://bnc.lt";
-NSString * const BNC_SDK_VERSION     = @"1.45.2";
+NSString * const BNC_SDK_VERSION     = @"2.0.0";

ChangeLog.md

@@ -1,5 +1,15 @@
 Branch iOS SDK Change Log
 
+v.2.0.0
+Branch iOS SDK 2.0.0 fixes longstanding issues with the umbrella header and project layout.
+Although the code is largely unchanged, this changes the SDK name from Branch to BranchSDK.
+
+Clients will need to update all import statements from `import Branch` to `import BranchSDK`.
+
+- SDK-1329 - SDK umbrella header fix
+- SDK-1758 - Add gbraid timestamps to calls
+- SDK-1663 - Revert thread queue priority to avoid a potential priority inversion
+
 v.1.45.2
 - SDK-1741 Fix SKAN error handling on iOS 15.4