[release] 1.39.0 - Support VisionOS (#252)

- Adds ability to run on visionOS
- Adds evaluation callbacks to StatsigOptions





>Included In This Release
>- db48bf4 Daniel
>   - Add support for visionOS (#251)
>- a960262 sroyal-statsig
>   - Eval callback (#250)

Sources/Statsig/DeviceEnvironment.swift

@@ -7,7 +7,7 @@ struct DeviceEnvironment {
 
     static internal let deviceOS = PlatformCompatibility.deviceInfo.os
     static internal let sdkType: String = "ios-client"
-    static internal let sdkVersion: String = "1.38.0"
+    static internal let sdkVersion: String = "1.39.0"
 
     let lock = NSLock()
     var sessionID: String? { UUID().uuidString }

Statsig.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |spec|
 
   spec.name         = "Statsig"
-  spec.version      = "1.38.0"
+  spec.version      = "1.39.0"
   spec.summary      = "Statsig enables developers to ship code faster and more safely."
   spec.description  = <<-DESC
                    Statsig enables developers to ship code faster and more safely by providing: