chore(deps): bump tar and node-sass in /ui

Bumps [tar](https://github.com/isaacs/node-tar) and [node-sass](https://github.com/sass/node-sass). These dependencies needed to be updated together.

Updates `tar` from 6.1.11 to 6.2.1
- [Release notes](https://github.com/isaacs/node-tar/releases)
- [Changelog](https://github.com/isaacs/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v6.1.11...v6.2.1)

Updates `tar` from 4.4.8 to 6.2.1
- [Release notes](https://github.com/isaacs/node-tar/releases)
- [Changelog](https://github.com/isaacs/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v6.1.11...v6.2.1)

Updates `node-sass` from 4.14.1 to 6.0.1
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](sass/node-sass@v4.14.1...v6.0.1)

---
updated-dependencies:
- dependency-name: tar
  dependency-type: indirect
- dependency-name: tar
  dependency-type: indirect
- dependency-name: node-sass
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>