For #13673, unrealqt fw v1.3.0-rc.4

Author: gplsteph

env/includes/unreal/frameworks.yml

@@ -6,7 +6,7 @@
 frameworks:
     tk-framework-unrealqt_v1.x.x:
       location:
-        version: v1.3.0-rc.3
+        version: v1.3.0-rc.4
         type: github_release
         organization: GPLgithub
         # organization: ue4plugins