[llvm] [mlir] [MLIR][Standalone] test Standalone against install distributions (PR #157944)

[Mehdi Amini via llvm-commits]

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+# REQUIRES: github-actions
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joker-eph wrote:

That is quite suspicious to me: I wouldn't think anything should ever depends on "GitHub actions".

https://github.com/llvm/llvm-project/pull/157944