Bump node-sass from 4.14.1 to 5.0.0 in /ui

Created by: dependabot[bot]

Bumps node-sass from 4.14.1 to 5.0.0.

Release notes

Sourced from node-sass's releases.

v5.0.0

Breaking changes

• Only support LTS and current Node versions (@​nschonni)
• Remove deprecated process.sass API (@​xzyfer, #2986)

Features

• Add support for Node 15
• New node-gyp version that supports building with Python 3

Community

• More inclusive documentation (@​rgeerts, #2944)
• Enabled dependabot (@​nschonni)
• Improve release automation (@​nschonni)

Fixes

• Bumped many dependencies (@​nschonni)

Supported Environments

OS	Architecture	Node
Windows	x86 & x64	10, 12, 14, 15
OSX	x64	10, 12, 14, 15
Linux*	x64	10, 12, 14, 15
Alpine Linux	x64	10, 12, 14, 15
FreeBSD	i386 amd64	10, 12, 14, 15

*Linux support refers to major distributions like Ubuntu, and Debian

Commits

• 0648b5a chore: Add Node 15 support (#2983)
• e2391c2 Add a deprecation message to the readme (#3011)
• 6a33e53 chore: Don't upload artifacts on PRs
• d763506 chore: Only run coverage on main repo
• d4ebe72 build(deps): update actions/setup-node requirement to v2.1.2
• 2bebe05 build(deps-dev): bump rimraf from 2.7.1 to 3.0.2
• f877689 chore: Don't double build DependaBot PRs
• b48fac4 chore: Add weekly DependaBot updates
• 91c40a0 Remove deprecated process.sass API
• 1f6df86 Replace lodash/assign in favor of the native Object.assign
• Additional commits viewable in compare view

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