Bump tar, sharp and node-sass

Bumps [tar](https://github.com/isaacs/node-tar) to 6.2.1 and updates ancestor dependencies [tar](https://github.com/isaacs/node-tar), [sharp](https://github.com/lovell/sharp) and [node-sass](https://github.com/sass/node-sass). These dependencies need to be updated together.


Updates `tar` from 2.2.2 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@v2.2.2...v6.2.1)

Updates `sharp` from 0.20.8 to 0.33.4
- [Release notes](https://github.com/lovell/sharp/releases)
- [Changelog](https://github.com/lovell/sharp/blob/main/docs/changelog.md)
- [Commits](lovell/sharp@v0.20.8...v0.33.4)

Updates `node-sass` from 4.14.1 to 9.0.0
- [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...v9.0.0)

---
updated-dependencies:
- dependency-name: tar
  dependency-type: indirect
- dependency-name: sharp
  dependency-type: direct:production
- dependency-name: node-sass
  dependency-type: direct:development
...

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

Author: dependabot[bot]