[llvm] workflows/release-binaries: Run tests on the same runner as the build (PR #162421)

[via llvm-commits]

llvmbot wrote:

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Failed to cherry-pick: 9f0f6e8dda5a3f87458acbb4daf09c2bfbac25f2

https://github.com/llvm/llvm-project/actions/runs/18417040049

Please manually backport the fix and push it to your github fork.  Once this is done, please create a [pull request](https://github.com/llvm/llvm-project/compare)

https://github.com/llvm/llvm-project/pull/162421