[skip ci] Update changelogs for v0.16.0 release

GitOrigin-RevId: d3a5d76dbe74d3bd27d35b973e88e2cf7f83ed41

Author: github-actions[bot]

CHANGELOG.md

@@ -4,6 +4,8 @@ Mapbox welcomes participation and contributions from everyone.
 
 ## main
 
+## 11.16.0 - 21 October, 2025
+
 ## 11.16.0-rc.2 - 14 October, 2025
 
 ## 11.16.0-rc.1 - 07 October, 2025