khddd: bump world_version to 0.0.7

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: lallaria

worlds/khddd/archipelago.json

@@ -2,5 +2,5 @@
     "game": "Kingdom Hearts Dream Drop Distance",
     "authors": ["LuxMake"],
     "minimum_ap_version": "0.6.3",
-    "world_version": "0.0.6"
+    "world_version": "0.0.7"
 }