GitLab CI: Simplify finding binaries (copy #2669)

[mergify[bot]]

This is an automatic copy of pull request #2669 done by Mergify. Cherry-pick of b96bf079061b9a534b39c9ecb751195be05c657c has failed:

On branch mergify/copy/1.8/pr-2669
Your branch is up to date with 'origin/1.8'.

You are currently cherry-picking commit b96bf0790.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
    modified:   .ci/build.sh
    modified:   .ci/docker/Dockerfile
    modified:   .ci/get_build_dist.sh
    modified:   .ci/gitlab/benchmark.yml
    modified:   .ci/gitlab/common.yml
    modified:   .gitlab-ci.yml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
    both modified:   .ci/docker/build-and-publish-docker-image.sh
    both modified:   .ci/gitlab/test.yml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[DigitalBrains1]

Note to self: TODO:

• [ ] Combine with PR #2672