Bump tar, node-sass and node-sass-middleware

Bumps [tar](https://github.com/npm/node-tar) to 6.1.11 and updates ancestor dependencies [tar](https://github.com/npm/node-tar), [node-sass](https://github.com/sass/node-sass) and [node-sass-middleware](https://github.com/sass/node-sass-middleware). These dependencies need to be updated together.


Updates `tar` from 4.4.13 to 6.1.11
- [Release notes](https://github.com/npm/node-tar/releases)
- [Changelog](https://github.com/npm/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v4.4.13...v6.1.11)

Updates `node-sass` from 4.14.1 to 7.0.3
- [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...v7.0.3)

Updates `node-sass-middleware` from 0.11.0 to 1.0.1
- [Release notes](https://github.com/sass/node-sass-middleware/releases)
- [Commits](sass/node-sass-middleware@v0.11.0...v1.0.1)

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

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