The right alignment of copy code buttons for code snippets in gitlab
was recently adjusted. This MR applies the same adjustment for
consistency to the copy code button in Duo chat messages.

Changelog: fixed

Add overlap and section background design tokens
Add section border design tokens
Update snapshots

feat(DesignTokens): add container background and border design tokens

See merge request gitlab-org/gitlab-ui!4535



Merged-by: Lukas Eipert <leipert@gitlab.com>
Approved-by: Jeremy Elder <jelder@gitlab.com>
Approved-by: Lukas Eipert <leipert@gitlab.com>
Reviewed-by: Scott de Jonge <sdejonge@gitlab.com>
Co-authored-by: GitLab Bot <gitlab-bot@gitlab.com>
Co-authored-by: sdejonge <sdejonge@gitlab.com>

feat(DuoChat): Adjust right alignment of copy code and insert code

See merge request gitlab-org/gitlab-ui!4582



Merged-by: Lukas Eipert <leipert@gitlab.com>
Approved-by: Annabel Dunstone Gray <annabel.dunstone@gmail.com>
Approved-by: Lukas Eipert <leipert@gitlab.com>
Co-authored-by: Chad Lavimoniere <clavimoniere@gitlab.com>

# [91.13.0](gitlab-org/gitlab-ui@v91.12.0...v91.13.0) (2024-09-06)

### Features

* **DesignTokens:** add overlap and section design tokens ([f6ebeec8](gitlab-org/gitlab-ui@f6ebeec8))
* **DuoChat:** Adjust right alignment of copy code and insert code ([aba23970](gitlab-org/gitlab-ui@aba23970))