Bump vimeo/psalm from 4.7.1 to 4.7.3
Bump vimeo/psalm from 4.7.1 to 4.7.3

Bumps [vimeo/psalm](https://github.com/vimeo/psalm) from 4.7.1 to 4.7.3.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](https://github.com/vimeo/psalm/compare/4.7.1...4.7.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
ChristophWurst/weinstein_server,ChristophWurst/weinstein_server,ChristophWurst/weinstein_server