Update README.rst

Missing changelog entry added

Author: bastibe

README.rst

@@ -395,10 +395,11 @@ News
 2025-01-02 V0.13.0 Bastian Bechtold
     Thank you, Zhong Jianxin, mcclure, jneuendorf-i4h, aoirint, endolith, Guy Illes, ytya, Sam Lapp, Benjamin Moody
 
+    - Updated libsndfile to v1.2.2
     - Linux arm64 builds added
     - Numpy is now a dependency
     - Fixed error in blocks, if file is very short
     - Compression level and bitrate controls added for compressed files
     - Various README improvements
     - Various build system improvements
-    - Various improvements to error messages
+    - Various improvements to error messages