Add changelog entry for opentripplanner#4846 [ci skip]

Author: OTP Changelog Bot

docs/Changelog.md

@@ -67,6 +67,7 @@ based on merged pull requests. Search GitHub issues and pull requests for smalle
 - Update GBFS support to v2.3 [#4809](https://github.com/opentripplanner/OpenTripPlanner/pull/4809)
 - Use TripPatterns for filtering [#4820](https://github.com/opentripplanner/OpenTripPlanner/pull/4820)
 - Add Fares V2 distance-based computation [#4798](https://github.com/opentripplanner/OpenTripPlanner/pull/4798)
+- Remove all edges from stop vertex in island pruning [#4846](https://github.com/opentripplanner/OpenTripPlanner/pull/4846)
 [](AUTOMATIC_CHANGELOG_PLACEHOLDER_DO_NOT_REMOVE)