Prepare 25.5.0

Author: hynek

CHANGELOG.md

@@ -13,7 +13,7 @@ You can find our backwards-compatibility policy [here](https://github.com/hynek/
 <!-- changelog follows -->
 
 
-## [Unreleased](https://github.com/hynek/structlog/compare/25.4.0...HEAD)
+## [25.5.0](https://github.com/hynek/structlog/compare/25.4.0...25.5.0) - 2025-10-27
 
 ### Deprecated