refactor: move APIEnums into api module

APIEnums are concerned with API code and should not be used by
the engine core. This refactoring removes the last dependencies
of engine code on APIEnums and moves the APIEnums class into
the api module.

CHANGELOG.md

@@ -67,6 +67,7 @@ RELEASING:
 - fix IN1-JAVA-ORGMOZILLA-1314295 ([#1627](https://github.com/GIScience/openrouteservice/issues/1627))
 - move APIEnums into API module ([#1634](https://github.com/GIScience/openrouteservice/issues/1634))
 - log summary stats on traffic mapmatching and use progress bar only in debug mode ([#1647](https://github.com/GIScience/openrouteservice/pull/1647))
+- move APIEnums into API module ([#1634](https://github.com/GIScience/openrouteservice/issues/1634))
 
 ### Deprecated
 - JSON configuration and related classes ([#1506](https://github.com/GIScience/openrouteservice/pull/1506))