Add changelog entry for opentripplanner#6780 [ci skip]

Author: OTP Changelog Bot

doc/user/Changelog.md

@@ -59,6 +59,7 @@ based on merged pull requests. Search GitHub issues and pull requests for smalle
 - Update OsmTagMapper according to the default restrictions on OpenStreetMap Wiki [#6760](https://github.com/opentripplanner/OpenTripPlanner/pull/6760)
 -  Add OTP version when updaters are ready log event [#6799](https://github.com/opentripplanner/OpenTripPlanner/pull/6799)
 - Add `Leg.stopCalls` with full flex information to GTFS API [#6757](https://github.com/opentripplanner/OpenTripPlanner/pull/6757)
+- Use North-based angle in internal representation [#6780](https://github.com/opentripplanner/OpenTripPlanner/pull/6780)
 [](AUTOMATIC_CHANGELOG_PLACEHOLDER_DO_NOT_REMOVE)
 
 ## 2.7.0 (2025-03-12)