Bump @argos-ci/playwright from 4.1.0 to 6.3.8

Bumps [@argos-ci/playwright](https://github.com/argos-ci/argos-javascript/tree/HEAD/packages/playwright) from 4.1.0 to 6.3.8.
- [Release notes](https://github.com/argos-ci/argos-javascript/releases)
- [Changelog](https://github.com/argos-ci/argos-javascript/blob/main/packages/playwright/CHANGELOG.md)
- [Commits](https://github.com/argos-ci/argos-javascript/commits/@argos-ci/[email protected]/packages/playwright)

---
updated-dependencies:
- dependency-name: "@argos-ci/playwright"
  dependency-version: 6.3.8
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]