fix bug Relation.Binary.Morphism.Bundles (#2713)

Author: jmougeot

src/Relation/Binary/OrderMorphism.agda

@@ -11,7 +11,7 @@ module Relation.Binary.OrderMorphism where
 
 {-# WARNING_ON_IMPORT
 "Relation.Binary.OrderMorphism was deprecated in v1.5.
-Use Relation.Binary.Reasoning.Morphism instead."
+Use Relation.Binary.Morphism.Bundles instead."
 #-}
 
 open import Relation.Binary.Core using (_=[_]⇒_)