docs(panel): shorten notes change-password copy to 改密

src/internal/panel/templates/overview.html

@@ -306,7 +306,7 @@ footer a{color:var(--muted);text-decoration:underline}
 
 <div id="notesMain" class="notes-main" hidden>
 <div class="notes-list">
-<div class="notes-listhead"><button class="btn ok" id="notesAdd">{{if eq .Lang "zh"}}＋ 添加{{else}}＋ Add{{end}}</button><button class="btn" id="notesChangePw">{{if eq .Lang "zh"}}修改密码{{else}}Change password{{end}}</button><button class="btn" id="notesExport">{{if eq .Lang "zh"}}导出{{else}}Export{{end}}</button></div>
+<div class="notes-listhead"><button class="btn ok" id="notesAdd">{{if eq .Lang "zh"}}＋ 添加{{else}}＋ Add{{end}}</button><button class="btn" id="notesChangePw">{{if eq .Lang "zh"}}改密{{else}}Change password{{end}}</button><button class="btn" id="notesExport">{{if eq .Lang "zh"}}导出{{else}}Export{{end}}</button></div>
 <div id="notesList"></div>
 </div>
 <div class="notes-editor">