Draft: Upload logs from setup-test-env

What does this MR do and why?

Upload logs from setup-test-env

setup-test-env CI job sets up the test environment. It's currently not uploading the logs as artifacts which hinders debugging for example Gitaly start up failures. This commit starts uploading the logs as well.

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lib/gitlab/setup_helper.rb

@@ -113,6 +113,7 @@ def configuration_toml(gitaly_dir, storage_paths, options)
           config[:bin_dir] = File.expand_path(File.join(gitaly_dir, '_build', 'bin')) # binaries by default are in `_build/bin`
           config[:gitlab] = { url: Gitlab.config.gitlab.url }
           config[:logging] = { dir: Rails.root.join('log').to_s }
+          config[:transactions] = { enabled: true }
 
           TomlRB.dump(config)
         end