[Mapbox Java] changelog for v7.3.1 (#1601)

Co-authored-by: root <root@ceb076bc9f86>

Author: mapbox-github-ci-writer-public-1[bot]

CHANGELOG.md

@@ -3,10 +3,13 @@
 Mapbox welcomes participation and contributions from everyone.
 
 ### main
+
+### v7.3.1 - October 15, 2024
 - Fixed malformed URL that resulted from previous inclusion of `contours_meters` as an Isochrone option. [#1599](https://github.com/mapbox/mapbox-java/pull/1599)
 
 - Fixed an issue where Isochrone API's `contours_meters` required at least two input values, instead of only one.
 
+
 ### v7.3.0 - October 04, 2024
 
 - Updated IsoChrone API to support new query parameters including contours_meters, road/route exclusions and departure time. [#1596](https://github.com/mapbox/mapbox-java/pull/1596)