Rename 2nd iteration: rename imports

apps/gitlab-runner-helper/main.go

commands/builds_helper.go

commands/builds_helper_test.go

commands/config.go

commands/config_test.go

commands/config_unix.go

commands/config_windows.go

commands/exec.go

commands/health_helper.go

commands/helpers/artifacts_downloader.go

commands/helpers/artifacts_downloader_test.go

commands/helpers/artifacts_test.go

commands/helpers/artifacts_uploader.go

commands/helpers/artifacts_uploader_test.go

commands/helpers/cache_archiver.go

commands/helpers/cache_archiver_test.go

commands/helpers/cache_client.go

commands/helpers/cache_extractor.go

commands/helpers/cache_extractor_test.go

commands/list.go