[lldb][test] Disable more of TestDAP_attach.py on Windows

Flaky on our Windows on Arm bot:
https://lab.llvm.org/buildbot/#/builders/141/builds/11465

See #137660

Author: DavidSpickett

lldb/test/API/tools/lldb-dap/attach/TestDAP_attach.py

@@ -56,6 +56,7 @@ def test_by_pid(self):
         self.set_and_hit_breakpoint(continueToExit=True)
 
     @skipIfNetBSD  # Hangs on NetBSD as well
+    @skipIfWindows # https://github.com/llvm/llvm-project/issues/137660
     def test_by_name(self):
         """
         Tests attaching to a process by process name.