chore(deps): bump core-js from 3.20.3 to 3.21.0 in /ui

Created by: dependabot[bot]

Bumps core-js from 3.20.3 to 3.21.0.

Changelog

Sourced from core-js's changelog.

3.21.0 - 2022.02.02

• Added Base64 utility methods:
  • atob
  • btoa
• Added the proper validation of arguments to some methods from web standards
• Forced replacement of all features from early-stage proposals for avoiding possible web compatibility issues in the future
• Added Rhino 1.7.14 compat data
• Added Deno 1.19 compat data mapping
• Added Opera Android 66 and 67 compat data mapping
• Added iOS Safari 15.3 and 15.4 compat data mapping

Commits

• 32492dc 3.21.0
• 248a3ea forced replacement of all methods from early stage proposals for avoiding pos...
• 985d127 update dependencies
• 4faa860 [WIP] Add atob / btoa (#1036)
• 8cf13a8 update dependencies
• 100c539 add the proper validation of arguments to some methods from web standards
• be8a033 add Opera Android 66 and 67 compat data mapping
• 1209b78 add iOS Safari 15.4 compat data mapping
• cbbad2e pin npm
• 93ea957 add iOS Safari 15.3 compat data mapping
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)