[lldb] Fix incorrect FileCheck labels in SetBridging.test (#9927)

Author: kastiglione

lldb/test/Shell/SwiftREPL/SetBridging.test

@@ -9,11 +9,11 @@ import Foundation
 
 // Baseline case: empty Set
 let s0: Set<Int> = []
-// DICT-LABEL: s0: Set<Int> = 0 values
+// SET-LABEL: s0: Set<Int> = 0 values
 
 // All empty sets use the same type-punned storage class.
 let s0b = s0 as NSSet
-// DICT-LABEL: s0b: {{(__RawNativeSetStorage|__EmptySetSingleton)}} = 0 values
+// SET-LABEL: s0b: {{(__RawNativeSetStorage|__EmptySetSingleton)}} = 0 values
 
 // Baseline case: native Set of non-verbatim bridged elements
 let s1: Set<Int> = [1]