chore(release): 5.4.0 [skip ci]

# [5.4.0](https://github.com/CESNET/simplesamlphp-module-privacyidea/compare/v5.3.2...v5.4.0) (2022-08-19)

### Features

* twig template, fix PSR-12 ([a3182408](https://github.com/CESNET/simplesamlphp-module-privacyidea/commit/a3182408292030a7a8f34e17a240a3f2db1e3a21))