Merge branch 'selhorn-saas-badge' into 'master'

Updating badges to separate Dedicated from SaaS

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145952



Merged-by: Phillip Wells <pwells@gitlab.com>
Approved-by: Phillip Wells <pwells@gitlab.com>
Co-authored-by: Suzanne Selhorn <sselhorn@gitlab.com>