chore(release): 4.2.3 [skip ci]

## [4.2.3](https://gitlab.ics.muni.cz/perun-proxy-aai/simplesamlphp/simplesamlphp-module-cesnet/compare/v4.2.2...v4.2.3) (2023-12-04)

### Bug Fixes

*  More fixes in IsEinfraCzEligible ([07571b8c](https://gitlab.ics.muni.cz/perun-proxy-aai/simplesamlphp/simplesamlphp-module-cesnet/commit/07571b8ca19ad861638d1018b7aaaea3c21f2c76))