feat: enabled slash-commands for DuoChat

See merge request !1230

Merged-by: Enrique Alcántara <ealcantara@gitlab.com>
Approved-by: Alexander Turinske <aturinske@gitlab.com>
Approved-by: Elwyn Benson <ebenson@gitlab.com>
Co-authored-by: Denys Mishunov <dmishunov@gitlab.com>

feat: migrate chat commands to slash commands

See merge request !1213

Merged-by: Denys Mishunov <dmishunov@gitlab.com>
Approved-by: Denys Mishunov <dmishunov@gitlab.com>
Reviewed-by: Denys Mishunov <dmishunov@gitlab.com>
Co-authored-by: Pavel Shutsin <pshutsin@gitlab.com>

fix: upgrade @gitlab/ui package to 71.6.0

See merge request !1236

Merged-by: Erran Carey <me@errancarey.com>
Approved-by: Erran Carey <me@errancarey.com>
Co-authored-by: Denys Mishunov <dmishunov@gitlab.com>

chore(deps): update dependency @types/jest to ^29.5.11

See merge request !1237

Merged-by: Shekhar Patnaik <spatnaik@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>

chore(deps): update dependency @snowplow/tracker-core to v3.18.0

See merge request !1232

Merged-by: Erran Carey <me@errancarey.com>
Approved-by: Erran Carey <me@errancarey.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>

chore(deps): update dependency @types/semver to ^7.5.6

See merge request !1239

Merged-by: Shekhar Patnaik <spatnaik@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>

chore(deps): update dependency @gitlab-org/gitlab-lsp to ^3.20.2

See merge request !1243

Merged-by: Erran Carey <me@errancarey.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>