Merge branch 'ph/466279/negatedReviewerQuery' into 'master'

Added negated reviewer query to GraphQL

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/159726



Merged-by: Paul Gascou-Vaillancourt <pgascouvaillancourt@gitlab.com>
Approved-by: Lee Tickett <ltickett@gitlab.com>
Approved-by: Douglas Barbosa Alexandre <dbalexandre@gmail.com>
Approved-by: Fernando Cardenas <14022659-fernando-c@users.noreply.gitlab.com>
Approved-by: Paul Gascou-Vaillancourt <pgascouvaillancourt@gitlab.com>
Reviewed-by: Lee Tickett <ltickett@gitlab.com>
Co-authored-by: Phil Hughes <me@iamphill.com>