:memo: Update changelogs

app/changelogs/v2.12.4/v2.12.4.md

@@ -17,6 +17,7 @@ Below are the detailed changes in this version.
 * [Improve AI-generated content parsing](https://github.com/siyuan-note/siyuan/issues/10217)
 * [Use ⌃0-9 instead of ⌥0-9 in macOS](https://github.com/siyuan-note/siyuan/issues/10218)
 * [Improve data sync to prevent an old snapshot to overwrite the new one](https://github.com/siyuan-note/siyuan/issues/10229)
+* [Improve search and replace spaces](https://github.com/siyuan-note/siyuan/issues/10231)
 
 ### Bugfix
 

app/changelogs/v2.12.4/v2.12.4_zh_CHT.md

@@ -17,6 +17,7 @@
 * [改進 AI 產生的內容解析](https://github.com/siyuan-note/siyuan/issues/10217)
 * [在 macOS 上使用 ⌃0-9 替代 ⌥0-9](https://github.com/siyuan-note/siyuan/issues/10218)
 * [改進資料同步避免舊快照覆蓋新快照](https://github.com/siyuan-note/siyuan/issues/10229)
+* [改進空格搜尋和替換](https://github.com/siyuan-note/siyuan/issues/10231)
 
 ### 修復缺陷
 

app/changelogs/v2.12.4/v2.12.4_zh_CN.md

@@ -17,6 +17,7 @@
 * [改进 AI 生成的内容解析](https://github.com/siyuan-note/siyuan/issues/10217)
 * [在 macOS 上使用 ⌃0-9 替代 ⌥0-9](https://github.com/siyuan-note/siyuan/issues/10218)
 * [改进数据同步避免旧快照覆盖新快照](https://github.com/siyuan-note/siyuan/issues/10229)
+* [改进空格搜索和替换](https://github.com/siyuan-note/siyuan/issues/10231)
 
 ### 修复缺陷