fix i18n subtitle

Author: CodeGlimpse

config/_default/languages.toml

@@ -5,7 +5,7 @@ languagedirection = "ltr"
 title = "CodeGlimpse的个人博客"
 contentDir = "content/zh-cn"
 weight = 1
-    [zh-cn.params]
+    [zh-cn.params.sidebar]
         subtitle = "我的数字花园 🌱 - 基于 GitHub Pages 搭建的博客与文档。欢迎分享想法！"
 
 [en]
@@ -14,5 +14,5 @@ languagedirection = "ltr"
 title = "Personal Blogs for CodeGlimpse"
 contentDir = "content/en"
 weight = 2
-    [en.params]
+    [en.params.sidebar]
         subtitle = "My digital garden 🌱 - A blog and docs built with GitHub Pages. Thoughts welcome!"