Merge branch '442384-update-cc-blueprint' into 'master'

Update Cloud Connector architecture blueprint

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145220



Merged-by: Aleksei Lipniagov <alipniagov@gitlab.com>
Approved-by: Aleksei Lipniagov <alipniagov@gitlab.com>
Approved-by: Jon Glassman <jglassman@gitlab.com>
Reviewed-by: Aleksei Lipniagov <alipniagov@gitlab.com>
Co-authored-by: Jon Glassman <jglassman@gitlab.com>
Co-authored-by: Matthias Kaeppler <mkaeppler@gitlab.com>