Merge branch 'rossetd/tracing-add-folders' into 'master'

Add folder structure to tracing feature

Closes gitlab-org/opstrace/opstrace#2466

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138542



Merged-by: Miguel Rincon <mrincon@gitlab.com>
Approved-by: Jay Montal <jmontal@gitlab.com>
Approved-by: Miguel Rincon <mrincon@gitlab.com>
Co-authored-by: Daniele Rossetti <drossetti@gitlab.com>