Bump tar-fs and @wordpress/e2e-test-utils-playwright in /admin

Bumps [tar-fs](https://github.com/mafintosh/tar-fs) to 3.1.1 and updates ancestor dependency [@wordpress/e2e-test-utils-playwright](https://github.com/WordPress/gutenberg/tree/HEAD/packages/e2e-test-utils-playwright). These dependencies need to be updated together.


Updates `tar-fs` from 3.1.0 to 3.1.1
- [Commits](mafintosh/tar-fs@v3.1.0...v3.1.1)

Updates `@wordpress/e2e-test-utils-playwright` from 0.26.0 to 1.31.0
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/e2e-test-utils-playwright/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/e2e-test-utils-playwright@1.31.0/packages/e2e-test-utils-playwright)

---
updated-dependencies:
- dependency-name: tar-fs
  dependency-version: 3.1.1
  dependency-type: indirect
- dependency-name: "@wordpress/e2e-test-utils-playwright"
  dependency-version: 1.31.0
  dependency-type: direct:development
...

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Author: dependabot[bot]