Bump playwright from 1.27.1 to 1.28.0
Bump playwright from 1.27.1 to 1.28.0

Bumps [playwright](https://github.com/Microsoft/playwright-python) from 1.27.1 to 1.28.0.
- [Release notes](https://github.com/Microsoft/playwright-python/releases)
- [Commits](https://github.com/Microsoft/playwright-python/compare/v1.27.1...v1.28.0)

---
updated-dependencies:
- dependency-name: playwright
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
DemocracyClub/UK-Polling-Stations,DemocracyClub/UK-Polling-Stations,DemocracyClub/UK-Polling-Stations