Update dependency @gitlab/duo-ui to ^11.2.1

This MR contains the following updates:

Package	Type	Update	Change
@gitlab/duo-ui	dependencies	minor	^11.1.2 -> ^11.2.1

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

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Release Notes

gitlab-org/duo-ui (@​gitlab/duo-ui)

v11.2.1

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Bug Fixes

• chat: Removed modification of shared styles (bac6001)
• chat-input: fixed input field positioning (26587f7)

v11.2.0

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Features

• Further improvements to tool approval visualization in agentic chat (e9b88ce)

11.1.2 (2025-09-24)

Bug Fixes

• limit chat header subtitle max width to prevent overflow (3568b44)

11.1.1 (2025-09-24)

Bug Fixes

• long subtitle overflows close button out of view (ee7b50d)

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