chore: Add a developer facing FF for flow merge

See merge request gitlab-org/gitlab-vscode-extension!2949



Merged-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Approved-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Co-authored-by: Frédéric Caplette <fcaplette@gitlab.com>

feat: Proxy Duo Agent Platform requests through GitLab

See merge request gitlab-org/gitlab-vscode-extension!2947



Merged-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Approved-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Co-authored-by: Erran Carey <ecarey@gitlab.com>

feat: Implement extension `deactivate`

See merge request gitlab-org/gitlab-vscode-extension!2945



Merged-by: Elwyn Benson <ebenson@gitlab.com>
Approved-by: John Slaughter <jslaughter@gitlab.com>
Approved-by: Elwyn Benson <ebenson@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>

# **pre-release**  [6.52.0](gitlab-org/gitlab-vscode-extension@v6.51.1...v6.52.0) (2025-11-03)

### Features

* Implement extension `deactivate` ([ed50ca99](gitlab-org/gitlab-vscode-extension@ed50ca99))
* Proxy Duo Agent Platform requests through GitLab ([e67c62df](gitlab-org/gitlab-vscode-extension@e67c62df))