Try working around xcrun failures #4449
Merged
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I expect the change here will try rerunning a couple times, then fail if it's a permanent failure.
I've seen similar failures, and believe this is flaky. Here's the specific example that caused me to try a workaround:
https://github.com/carbon-language/carbon-lang/actions/runs/11560505812/job/32177497296
I don't see a difference in the runner information between failing and passing runs, which might've indicated a canary. That's why I'm doing this as a trivial retry.