Updated tk-photoshopcc to v1.11.9

Release notes: https://github.com/shotgunsoftware/tk-photoshopcc/releases/tag/v1.11.9

Author: toolkitty

env/includes/common/engines.yml

@@ -30,7 +30,7 @@ common.engines.tk-nuke.location:
 common.engines.tk-photoshopcc.location:
   type: app_store
   name: tk-photoshopcc
-  version: v1.11.8
+  version: v1.11.9
 common.engines.tk-aftereffects.location:
   type: app_store
   name: tk-aftereffects