Rollup merge of #134924 - ranger-ross:cleanup-ci-output, r=Kobzol

ci: Cleanup docker build logs in CI

Cleaning up the CI logs to make reviewing CI failures easier. This PR adds a `::group` around the docker tag hash input which is pretty large (250+ lines) and is probably not relevant for most people.

Related to #134910 , see this [comment](https://github.com/rust-lang/rust/issues/134910#issuecomment-2565612463)