Bump saucelabs/sauce-connect-action from 2.1.1 to 2.3.4

Bumps [saucelabs/sauce-connect-action](https://github.com/saucelabs/sauce-connect-action) from 2.1.1 to 2.3.4.
- [Release notes](https://github.com/saucelabs/sauce-connect-action/releases)
- [Changelog](https://github.com/saucelabs/sauce-connect-action/blob/main/CHANGELOG.md)
- [Commits](saucelabs/sauce-connect-action@v2.1.1...v2.3.4)

---
updated-dependencies:
- dependency-name: saucelabs/sauce-connect-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/frontend-tests.yml

@@ -84,7 +84,7 @@ jobs:
  name: Remove standard frontend test files
  run: rm -rf src/tests/frontend/specs
  -
- uses: saucelabs/sauce-connect-action@v2.1.1
+ uses: saucelabs/sauce-connect-action@v2.3.4
  with:
  username: ${{ secrets.SAUCE_USERNAME }}
  accessKey: ${{ secrets.SAUCE_ACCESS_KEY }}