Merge branch 'docs-inputs-quotes' into 'master'

Add details about quoting inputs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138884



Merged-by: Lysanne Pinto <lpinto@gitlab.com>
Approved-by: Laura Montemayor <lmontemayor@gitlab.com>
Approved-by: Kasia Misirli <kmisirli@gitlab.com>
Approved-by: Lysanne Pinto <lpinto@gitlab.com>
Reviewed-by: Kasia Misirli <kmisirli@gitlab.com>
Co-authored-by: Marcel Amirault <mamirault@gitlab.com>