chore: bump version to 5.0.21

  * 重构代码
  * 合并最新 fcitx5-configtool
  * fix: elide text

Author: zsien

debian/changelog

@@ -1,3 +1,11 @@
+deepin-fcitx5configtool-plugin (5.0.21) unstable; urgency=medium
+
+  * 重构代码
+  * 合并最新 fcitx5-configtool
+  * fix: elide text
+
+ -- zsien <quezhiyong@deepin.org>  Mon, 15 Apr 2024 13:39:43 +0800
+
 deepin-fcitx5configtool-plugin (5.0.20) unstable; urgency=medium
 
   * fix: will clear the shortcuts