chore(release): 18.9.1 [skip ci]

## [18.9.1](https://gitlab.ics.muni.cz/perun/perun-proxyidp/v1/OpenID-Connect-Java-Spring-Server/compare/v18.9.0...v18.9.1) (2025-05-15)

### Bug Fixes

* missing logs in syslog ([2e85aa78](2e85aa78))