Pull 5.4 changes into 5.5

Mainly fixes packaging

.gitlab-ci.yml

@@ -40,8 +40,7 @@ include:
 # Use the UNREAL_VERSION variable to adjust to your preferred Unreal version.
 
 variables:
-    UNREAL_VERSION: "5.3"
-    CUSTOM_NDISPLAY_CONFIG: "aixcave_5_3_dev.ndisplay"
+    UNREAL_VERSION: "5.4"
 
 stages:
   - analyze