Updated tk-framework-alias to v1.2.1

Release notes: https://github.com/shotgunsoftware/tk-framework-alias/wiki/Release-Notes#v121

Author: toolkitty

env/includes/common/frameworks.yml

@@ -54,7 +54,7 @@ frameworks:
       name: tk-framework-desktopclient
   tk-framework-alias_v1.x.x:
     location:
-      version: v1.2.0
+      version: v1.2.1
       type: app_store
       name: tk-framework-alias
   tk-framework-aliastranslations_v0.x.x: