chore(release): 1.4.0-beta.4 [skip ci]

# [1.4.0-beta.4](https://gitlab.com/sibmip/gateway/compare/1.4.0-beta.3...1.4.0-beta.4) (2023-01-31)

### Bug Fixes

* categories bins ([bf750eba](https://gitlab.com/sibmip/gateway/commit/bf750eba2ade5aba2178c67817f9628e9c8f1c7a))
* cleanup ([edecf440](https://gitlab.com/sibmip/gateway/commit/edecf440a51fcb832f29dd77583a4fae87da989f))

### Features

* Histograms handler ([de0c7c2f](https://gitlab.com/sibmip/gateway/commit/de0c7c2fbc6379c2f751192a2e41a5377d92f430))