Add localization for "Change Password" in multiple languages

Added new localization entries for "Change Password" in:
- `Program.de-DE.resx`: "Ändern Sie Ihr Passwort"
- `Program.ja-JP.resx`: "パスワードを変更する"
- `Program.zh-Hans.resx`: "修改密码"
- `Program.zh-Hant.resx`: "修改密碼"

src/Moonglade.Web/Resources/Program.de-DE.resx

@@ -1023,4 +1023,7 @@
   <data name="Enable custom menus" xml:space="preserve">
     <value>Benutzerdefinierte Menüs aktivieren</value>
   </data>
+  <data name="Change Password" xml:space="preserve">
+    <value>Ändern Sie Ihr Passwort</value>
+  </data>
 </root>

src/Moonglade.Web/Resources/Program.ja-JP.resx

@@ -1023,4 +1023,7 @@
   <data name="Enable custom menus" xml:space="preserve">
     <value>カスタムメニューを有効にする</value>
   </data>
+  <data name="Change Password" xml:space="preserve">
+    <value>パスワードを変更する</value>
+  </data>
 </root>

src/Moonglade.Web/Resources/Program.zh-Hans.resx

@@ -1023,4 +1023,7 @@
   <data name="Using a third party script may cause your website to be blocked by some browsers or ad blockers, it can have security risks too. Please use with caution." xml:space="preserve">
     <value>使用第三方脚本可能会导致您的网站被某些浏览器或广告拦截器阻止，也可能存在安全风险。请谨慎使用。</value>
   </data>
+  <data name="Change Password" xml:space="preserve">
+    <value>修改密码</value>
+  </data>
 </root>

src/Moonglade.Web/Resources/Program.zh-Hant.resx

@@ -1026,4 +1026,7 @@
   <data name="Enable custom menus" xml:space="preserve">
     <value>啟用自定義功能表</value>
   </data>
+  <data name="Change Password" xml:space="preserve">
+    <value>修改密碼</value>
+  </data>
 </root>