chore(release): 4.0.0 [skip ci]

# [4.0.0](https://gitlab.ics.muni.cz/perun-proxy-aai/simplesamlphp/simplesamlphp-module-lsaai/compare/v3.1.1...v4.0.0) (2023-07-19)

### Code Refactoring

*  Remove old LS Hostel ([13b8dbf1](https://gitlab.ics.muni.cz/perun-proxy-aai/simplesamlphp/simplesamlphp-module-lsaai/commit/13b8dbf11457932c93fc8dfbc313d85df0123b4b))
*  Removed obsolete code ([f9b8ac37](https://gitlab.ics.muni.cz/perun-proxy-aai/simplesamlphp/simplesamlphp-module-lsaai/commit/f9b8ac3725352fe56e2cafcd1eda2cdfe7b07f98))
*  Rename LS Hostel to LS Username Login ([2ef33bd8](https://gitlab.ics.muni.cz/perun-proxy-aai/simplesamlphp/simplesamlphp-module-lsaai/commit/2ef33bd87eaf41be57548e9efa52af8bd384d3d1))

### BREAKING CHANGES

*  Removed LoginModify AuthProc filter
*  modified config options - see example config. Also renamed directory
under "themes"
*  Removed LS Hostel old