Bump selenium-assistant from 5.4.0 to 6.1.1

Bumps [selenium-assistant](https://github.com/GoogleChrome/selenium-assistant) from 5.4.0 to 6.1.1.
- [Release notes](https://github.com/GoogleChrome/selenium-assistant/releases)
- [Commits](https://github.com/GoogleChrome/selenium-assistant/commits)

---
updated-dependencies:
- dependency-name: selenium-assistant
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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