fix(proxy): add "oldName" && "newName" paras to fix unable to modify proxy name

docs/api.md

@@ -1063,7 +1063,8 @@ X-Timestamp: 1704067200000
 {
   "instanceID": "1",
   "proxyInfo": {
-    "name": "ssh_proxy",
+    "oldName": "ssh_proxy",
+    "newName": "ssh_proxy123",
     "type": "tcp",
     "localIP": "127.0.0.1",
     "localPort": "22",
@@ -1080,7 +1081,8 @@ X-Timestamp: 1704067200000
 | Field | Type | Required | Description |
 |-------|------|----------|-------------|
 | instanceID | string | Yes | Instance ID (the ID of the frpc instance) |
-| proxyInfo.name | string | Yes | Proxy name (used to identify which proxy to modify) |
+| proxyInfo.oldName | string | Yes | Proxy old name (used to identify which proxy to modify) |
+| proxyInfo.newName | string | Yes | Proxy new name (used to identify which proxy to modify to) |
 | proxyInfo.type | string | Yes | Proxy type (e.g., tcp, udp, http, https) |
 | proxyInfo.localIP | string | Yes | Local IP address to forward to |
 | proxyInfo.localPort | string | Yes | Local port to forward from |
@@ -1094,7 +1096,7 @@ X-Timestamp: 1704067200000
   "data": {
     "instanceID": 1,
     "configPath": "./configs/superfrpc_user_my_frpc.toml",
-    "proxyName": "ssh_proxy"
+    "proxyName": "ssh_proxy123"
   }
 }
 ```
@@ -1111,7 +1113,7 @@ The proxy configuration in the config file will be updated to the following form
 
 ```toml
 [[proxies]]
-name = ssh_proxy
+name = ssh_proxy123
 type = tcp
 local_ip = 127.0.0.1
 local_port = 22