Update dependency gitlab-org/gitlab-vscode-extension to v4.21.0

This MR contains the following updates:

Package	Update	Change
gitlab-org/gitlab-vscode-extension	minor	v4.18.0 -> v4.21.0

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

---

Release Notes

gitlab-org/gitlab-vscode-extension (gitlab-org/gitlab-vscode-extension)

v4.21.0

Compare Source

Features

• add "enabled supported languages" setting (053938a)
• add command to toggle Code Suggestions for current language (2ca138a)

v4.20.0

Compare Source

Bug Fixes

• correct GitLab casing (35c28be)
• race condition that caused empty chat responses (2b55f2d)

Features

• add open tabs context setting (b4aadde)

v4.19.0

Compare Source

Features

• Add draft custom query property and treat wip as an alias (c4075a6)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.