📝 add changelog entry

Signed-off-by: burgholzer <burgholzer@me.com>

Author: burgholzer

CHANGELOG.md

@@ -11,6 +11,7 @@ This project adheres to [Semantic Versioning], with the exception that minor rel
 
 ### Added
 
+- ✨ Add native support for `R(theta, phi)` gate ([#XXXX]) ([**@burgholzer**])
 - ✨ Add A\*-search-based routing algorithm to MLIR transpilation routines ([#1237], [#1271], [#1279]) ([**@MatthiasReumann**])
 
 ### Fixed