Update changelog

Author: pxpeterxu

CHANGELOG.md

@@ -2,6 +2,7 @@
   - Changes from 5.27.1
     - Features
       - ADDED: Add support for a default_radius flag. [#6575](https://github.com/Project-OSRM/osrm-backend/pull/6575)
+      - ADDED: Allow building OSRM with 64-bit node and edge IDs[#1](https://github.com/wanderlog/osrm-backend/pull/1)
     - Build:
       - ADDED: Add CI job which builds OSRM with gcc 12. [#6455](https://github.com/Project-OSRM/osrm-backend/pull/6455)
       - CHANGED: Upgrade to clang-tidy 15. [#6439](https://github.com/Project-OSRM/osrm-backend/pull/6439)