Rename cthangover_story to cthangover_game

The mod holding the main game's own scenes and story follows the <game>_game
naming rule; further parts stay <game>_<part>, reusable content is <theme>_pack.

test_suites/avatar/manifest.json

@@ -17,7 +17,7 @@
     }
   ],
   "depends": [
-    "cthangover_story>=1",
+    "cthangover_game>=1",
     "ui_base>=1"
   ]
 }