chore(Algebra/Homology): fix ComplexShape.boundaryLE_embeddingUpIntLE_iff (leanprover-community#25673)

This PR fixes the statement of the lemma `boundaryLE_embeddingUpIntLE_iff`.

Author: joelriou

Mathlib/Algebra/Homology/Embedding/Boundary.lean

@@ -184,7 +184,7 @@ lemma boundaryGE_embeddingUpIntGE_iff (p : ℤ) (n : ℕ) :
       omega
 
 lemma boundaryLE_embeddingUpIntLE_iff (p : ℤ) (n : ℕ) :
-    (embeddingUpIntGE p).BoundaryGE n ↔ n = 0 := by
+    (embeddingUpIntLE p).BoundaryLE n ↔ n = 0 := by
   constructor
   · intro h
     obtain _|n := n