Fix citation title to match ShallowSeabed's current name (was pre-rename Shallow_Seabed)

README.md

@@ -159,7 +159,7 @@ If you use the descoped Unreal Engine simulator arm, please cite it separately:
 ```bibtex
 @misc{ramamoorthysathya2026shallowseabed,
   author       = {Ramamoorthy Sathya, Rithish},
-  title        = {{Shallow\_Seabed: Unreal Engine 5 Synthetic Underwater Scene Simulator}},
+  title        = {{ShallowSeabed: Unreal Engine 5 Synthetic Underwater Scene Simulator}},
   year         = {2026},
   howpublished = {\url{https://github.com/rithish007/Shallow_Seabed}},
   note         = {Code repository}