[llvm] [test] llvm-ar: Fix inadvertent unXFAIL for Apple platforms (PR #159796)

[Anthony Latsis via llvm-commits]

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@@ -1,5 +1,6 @@
 ## Test extract operation.
 # XFAIL: target={{.*}}-darwin{{.*}}
+# XFAIL: target={{.*}}-apple{{.*}}
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AnthonyLatsis wrote:

Actually, the vendor is `apple` here too, so perhaps `XFAIL: target={{.*}}-apple-{{.*}}` is indeed enough.

https://github.com/llvm/llvm-project/pull/159796