Updated tk-framework-desktopclient to v0.4.3

Release notes: https://github.com/shotgunsoftware/tk-framework-desktopclient/releases/tag/v0.4.3

Author: toolkitty

env/includes/common/frameworks.yml

@@ -49,7 +49,7 @@ frameworks:
       name: tk-framework-desktopserver
   tk-framework-desktopclient_v0.x.x:
     location:
-      version: v0.4.2
+      version: v0.4.3
       type: app_store
       name: tk-framework-desktopclient
   tk-framework-alias_v1.x.x: