[llvm] [llvm][lit] Update regexes in Xunit test (PR #126527)

[David Spickett via llvm-commits]

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@@ -10,17 +10,17 @@
 # CHECK:      <?xml version="1.0" encoding="UTF-8"?>
 # CHECK-NEXT: <testsuites time="{{[0-9.]+}}">
 # CHECK-NEXT: <testsuite name="test-data" tests="5" failures="1" skipped="3" time="{{[0-9.]+}}">
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DavidSpickett wrote:

Done.

https://github.com/llvm/llvm-project/pull/126527