Merge pull request #5465 from ArcherAZ/patch-22

Update release-notes-stt.md

Author: prmerger-automator[bot]

articles/ai-services/speech-service/includes/release-notes/release-notes-stt.md

@@ -7,6 +7,11 @@ ms.author: eur
 ms.custom: references_regions
 ---
 
+### June 2025 release
+
+#### Improved speech to text models
+Accuracy of speech to text models for `de-DE`, `en-US`, `en-GB`, `es-ES`, `es-MX`,  `fr-FR`, `it-IT`, `ja-JP`, `ko-KR`, `pt-BR`, and `zh-CN` locales are improved by 10%-25% percent respectively, particularly with improved readaibility and recognition on entities.
+
 ### May 2025 release
 
 #### Improved speech to text models