disable embedded test that is failing in CI

Author: kavon

test/embedded/dependencies-no-allocations.swift

@@ -20,6 +20,7 @@
 // RUN: %target-clang %t/a.o %t/print.o -o %t/a.out
 // RUN: %target-run %t/a.out | %FileCheck %s
 
+// REQUIRES: rdar120557595
 // REQUIRES: swift_in_compiler
 // REQUIRES: executable_test
 // REQUIRES: optimized_stdlib