Merge branch 'fetch-issues-parallel-issue-board-view' into 'main'

perf(issue): fetch board issues in parallel

Closes #1086

See merge request https://gitlab.com/gitlab-org/cli/-/merge_requests/3499

Merged-by: Oscar Tovar <otovar@gitlab.com>
Approved-by: Oscar Tovar <otovar@gitlab.com>
Reviewed-by: Oscar Tovar <otovar@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: Parth sharma <dankparth@gmail.com>