fix: I18n for pending confirmations count

Author: ashchan

packages/neuron-ui/src/locales/zh.json

@@ -27,7 +27,7 @@
       "difficulty": "难度",
       "address": "地址",
       "confirmation": "{{confirmationCount}}/{{threshold}} 个确认",
-      "confirmations": "{{confirmationCount}}{{threshold}} 个确认",
+      "confirmations": "{{confirmationCount}}/{{threshold}} 个确认",
       "sent": "已发送",
       "sending": "正在发送",
       "received": "已收款",