Fix typo in EditorObjectSelectionSession.cpp

Fix minor typo in annotations of code inside EditorObjectSelectionSession.cpp

src/openrct2/EditorObjectSelectionSession.cpp

@@ -47,7 +47,7 @@ static void ReplaceSelectedWaterPalette(const ObjectRepositoryItem* item);
 
 /**
  * Master objects are objects that are not
- * optional / required dependants of an
+ * optional / required dependents of an
  * object.
  */
 static constexpr ResultWithMessage ObjectSelectionError(bool isMasterObject, StringId message)