Bump zeroconf from 0.28.3 to 0.28.4

Bumps [zeroconf](https://github.com/jstasiak/python-zeroconf) from 0.28.3 to 0.28.4.
- [Release notes](https://github.com/jstasiak/python-zeroconf/releases)
- [Commits](python-zeroconf/python-zeroconf@0.28.3...0.28.4)

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

Author: dependabot-preview[bot]