Merge branch '493994-aqualls-tutorial-images' into 'master'

Add version numbers to observability images

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167849



Merged-by: Lorena Ciutacu <lciutacu@gitlab.com>
Approved-by: Lorena Ciutacu <lciutacu@gitlab.com>
Co-authored-by: Amy Qualls <aqualls@gitlab.com>