fix(i18n): 连接/订阅动作按钮改用动词键，英文界面不再显示复数名词

gpui-app/locales/zh-CN.yml

@@ -53,6 +53,7 @@
 "common.retry": "重试"
 "common.save": "保存"
 "common.send": "发送"
+"common.subscribe": "订阅"
 "common.text": "文本"
 "common.update": "更新"
 "connview.logs": "日志"
@@ -285,6 +286,7 @@
 "settings.theme_preset": "主题预设"
 "settings.version_line": "版本 {v}（更新源 {src}）"
 "sidebar.collapse": "收起侧栏（Ctrl+B）"
+"sidebar.connect": "连接"
 "sidebar.connections": "连接"
 "sidebar.delete": "删除连接"
 "sidebar.delete_confirm": "确定删除「{name}」？将同时删除 {sub_count} 个订阅，并断开当前连接，此操作不可撤销。"