build(deps): bump minimatch and @playwright/test in /conformance-tests

Removes [minimatch](https://github.com/isaacs/minimatch). It's no longer used after updating ancestor dependency [@playwright/test](https://github.com/Microsoft/playwright). These dependencies need to be updated together.


Removes `minimatch`

Updates `@playwright/test` from 1.19.1 to 1.27.1
- [Release notes](https://github.com/Microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.19.1...v1.27.1)

---
updated-dependencies:
- dependency-name: minimatch
  dependency-type: indirect
- dependency-name: "@playwright/test"
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>