chore: bump version to 5.7.12

update changelog to 5.7.12

Author: 18202781743

debian/changelog

@@ -1,3 +1,13 @@
+dtkdeclarative (5.7.12) unstable; urgency=medium
+
+  * feat: using DConfig in the non-GUI thread
+  * fix: missing FocusBorder for WindowButton in TitleBar
+  * feat: Add files generated by qdbusXML2cpp and DCONG2cpp
+  * fix: Popup background does not follow the theme changes
+  * fix: StyledBehindWindowBlur crash in render thread
+
+ -- YeShanShan <yeshanshan@uniontech.com>  Thu, 06 Mar 2025 17:30:28 +0800
+
 dtkdeclarative (5.7.11) unstable; urgency=medium
 
   * fix: double click doesn't work for TitleBar