Bump loader-utils and just-stack-uifabric in /user-interface

[dependabot[bot]]

Removes loader-utils. It's no longer used after updating ancestor dependency just-stack-uifabric. These dependencies need to be updated together.

Removes loader-utils

Updates just-stack-uifabric from 0.10.2 to 1.0.2

Commits

• 46cbd07 applying package updates
• bbbf4bb Bump yargs (#483)
• fe3939e applying package updates
• b5b171c Publish src folder of packages to make source maps work for debugging (#478)
• eab96f7 applying package updates
• e49ea35 When webpack config is specified, don't search for others, include path in wa...
• 1f66390 applying package updates
• 4e977b7 Do not crash on errors in webpack 5 (#481)
• cdd14a8 Docs switches to vuepress!! (#471)
• 8dc8a69 applying package updates
• Additional commits viewable in compare view

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