refactor: Bump tar and @mongodb-js/mongodb-downloader

Bumps [tar](https://github.com/isaacs/node-tar) and [@mongodb-js/mongodb-downloader](https://github.com/mongodb-js/devtools-shared). These dependencies needed to be updated together.

Updates `tar` from 6.2.1 to 7.5.13
- [Release notes](https://github.com/isaacs/node-tar/releases)
- [Changelog](https://github.com/isaacs/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v6.2.1...v7.5.13)

Updates `@mongodb-js/mongodb-downloader` from 1.1.7 to 1.1.9
- [Commits](https://github.com/mongodb-js/devtools-shared/compare/@mongodb-js/mongodb-downloader@1.1.7...@mongodb-js/mongodb-downloader@1.1.9)

---
updated-dependencies:
- dependency-name: tar
  dependency-version: 7.5.13
  dependency-type: indirect
- dependency-name: "@mongodb-js/mongodb-downloader"
  dependency-version: 1.1.9
  dependency-type: indirect
...

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Author: dependabot[bot]