Support v3.1.2 of the iOS SDK

Update podspec dependencies to 3.1.2

Author: davidl-yoti

react-native-yoti-doc-scan.podspec

@@ -14,6 +14,6 @@ Pod::Spec.new do |spec|
   spec.source_files           = "ios/**/*.{h,m}"
   spec.platform               = :ios, "13.0"
   spec.dependency             "React"
-  spec.dependency             "YotiSDKDocument", "3.1.1"
-  spec.dependency             "YotiSDKFaceTec", "3.1.1"
+  spec.dependency             "YotiSDKDocument", "3.1.2"
+  spec.dependency             "YotiSDKFaceTec", "3.1.2"
 end