[Tests] NFC: Limit type wrapper tests to assert builds only (#60846)

Production compilers do not support experimental features.

Author: xedin

test/Interpreter/type_wrappers.swift

@@ -5,6 +5,7 @@
 // RUN: %target-run %t/main %t/%target-library-name(type_wrapper_defs) | %FileCheck %s
 
 // REQUIRES: executable_test
+// REQUIRES: asserts
 
 import type_wrapper_defs
 

test/type/type_wrapper.swift

@@ -1,5 +1,7 @@
 // RUN: %target-typecheck-verify-swift -enable-experimental-feature TypeWrappers
 
+// REQUIRES: asserts
+
 @typeWrapper
 struct ConcreteTypeWrapper { // expected-error {{type wrapper has to declare a single generic parameter for underlying storage type}}
   init(memberwise: Int) {}