chore(release): 5.0.4 [skip ci]

## [5.0.4](https://github.com/CESNET/elixir-aai-proxy-idp-template/compare/v5.0.3...v5.0.4) (2022-04-29)

### Bug Fixes

*  Fixed missing Head inject ([7f4bbd42](https://github.com/CESNET/elixir-aai-proxy-idp-template/commit/7f4bbd42c24bf7b8880cd971ed61ec6bc1ab19e2))