Update: Release date

Author: nutti

CHANGELOG.md

@@ -5,7 +5,7 @@
 ## [Unreleased](https://github.com/nutti/UE4-Kdtree/compare/v1.5.0...master)
 
 <!-- markdownlint-disable-next-line MD013 -->
-## [Version 1.5.0](https://github.com/nutti/UE4-Kdtree/compare/v1.4.0...v1.5.0) - 2025.XX.XX
+## [Version 1.5.0](https://github.com/nutti/UE4-Kdtree/compare/v1.4.0...v1.5.0) - 2025.6.14
 
 ### Updated Features