Merge branch 'jjanes-update-code-suggestions-docs' into 'master'

Minor updates to content in Use Code Suggestions and Response Time sections within Code Suggestions public docs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/168402



Merged-by: Jon Glassman <jglassman@gitlab.com>
Approved-by: Jon Glassman <jglassman@gitlab.com>
Co-authored-by: Jordan Janes <jjanes@gitlab.com>