Nightly Dotty workflow of 2025-02-06 failed

[github-actions]

See https://github.com/scala/scala3/actions/runs/13170981007

[bracevac]

tests/run-custom-args/captures/colltest5 seems to timeout in the CI. But it doesn't locally.

[hamzaremmal]

I'm reverting the exclusive capabilities PR until we inspect it further