chore: Update version to 6.5.15 (#83)

- Updated Debian changelog with new version entry for OCR V5 plugin language selector fix

Log: update version to 6.5.15

Author: dengzhongyuan365-dev

debian/changelog

@@ -1,3 +1,9 @@
+deepin-ocr (6.5.15) unstable; urgency=medium
+
+  * fix: Hide language selector when using OCR V5 plugin 
+
+ -- dengzhongyuan <dengzhongyuan@uniontech.com>  Fri, 05 Dec 2025 10:42:27 +0800
+
 deepin-ocr (6.5.14) unstable; urgency=medium
 
   * merge release/eagle to master