chore: update version to 6.5.51

- bump version to 6.5.51

Log : bump version to 6.5.51

Author: wyu71

debian/changelog

@@ -1,3 +1,12 @@
+deepin-reader (6.5.51) unstable; urgency=medium
+
+  * fix: resolve file save failure on SMB filesystem
+  * fix: resolve DOCX conversion timeout for large files
+  * chore: Unify linglong.yaml
+  * feat: add USE_PDFIUM_BUNDLE option to support external pdfium (#247)
+
+ -- Wang Yu <wangyu@uniontech.com>  Fri, 27 Feb 2026 16:14:56 +0800
+
 deepin-reader (6.5.50) unstable; urgency=medium
 
   * fix: build error

linglong.yaml

@@ -7,7 +7,7 @@ version: "1"
 package:
   id: org.deepin.reader
   name: "deepin-reader"
-  version: 6.5.50.1
+  version: 6.5.51.1
   kind: app
   description: |
     reader for deepin os.