Bump core-js from 3.11.1 to 3.11.2 in /ui

Created by: dependabot[bot]

Bumps core-js from 3.11.1 to 3.11.2.

Changelog

Sourced from core-js's changelog.

3.11.2 - 2021.05.03

• Added a workaround of WebKit ~ iOS 10.3 Safari Promise bug, #932
• Promise#then of incorrect native Promise implementations with correct subclassing no longer wrapped
• Changed the order of Promise feature detection, removed unhandled rejection tracking check in non-browser non-node platforms

Commits

• 040f783 3.11.2
• e5b874c remove unhandled rejection tracking check in non-browser non-node platforms
• afc66bc avoid Promise.resolve in the main Promise feature detection
• 5623fa3 change the order of Promise feature detection
• e280a0a don't wrap Promise#then of incorrect native Promise implementations with ...
• c78f69d add a workaround of WebKit ~ iOS 10.3 Safari Promise instantiation bug, clo...
• See full diff in compare view

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