chore(deps): update dependency @gitlab/ui to v21.35.0

This MR contains the following updates:

Package	Type	Update	Change
@gitlab/ui (source)	dependencies	minor	21.34.2 -> 21.35.0

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

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Release Notes

gitlab-org/gitlab-ui

v21.35.0

Compare Source

Features

• css: Add orange-300 && blue-400 utility mixins (90d728a)

21.34.2 (2020-10-20)

Bug Fixes

• GlPagination: Fix extra space between span and icon (038fc7b)

21.34.1 (2020-10-20)

Bug Fixes

• GlDropdown: Add "link" variant as valid option for dropdowns (f1c74e2)

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