Merge pull request swiftlang#39411 from benlangmuir/disable-test-arm64

[test] Add REQUIRES: CPU=x86_64 to test that is failing in CI

Author: benlangmuir

test/Concurrency/Backdeploy/linking.swift

@@ -8,6 +8,7 @@
 // RUN: otool -L %t/linking_rpath_old | %FileCheck -check-prefix CHECK-RPATH %s
 
 // REQUIRES: OS=macosx
+// REQUIRES: CPU=x86_64
 
 // CHECK-DIRECT: /usr/lib/swift/libswift_Concurrency.dylib
 // CHECK-RPATH: @rpath/libswift_Concurrency.dylib