DOC:Correct IP_EVENT_STA_LOST_IP name

Fix the name of the IP_EVENT_STA_LOST_IP event (was IP_STA_LOST_IP)

Signed-off-by: xueyunfei <xueyunfei@espressif.com>

Closes https://github.com/espressif/esp-idf/pull/8347

docs/en/api-guides/wifi.rst

@@ -205,11 +205,11 @@ IP_EVENT_GOT_IP6
 ++++++++++++++++++++++++++++++++++++
 This event arises when the IPV6 SLAAC support auto-configures an address for the {IDF_TARGET_NAME}, or when this address changes. The event means that everything is ready and the application can begin its tasks (e.g., creating sockets).
 
-IP_STA_LOST_IP
+IP_EVENT_STA_LOST_IP
 ++++++++++++++++++++++++++++++++++++
 This event arises when the IPV4 address become invalid.
 
-IP_STA_LOST_IP doesn't arise immediately after the Wi-Fi disconnects, instead it starts an IPV4 address lost timer, if the IPV4 address is got before ip lost timer expires, IP_EVENT_STA_LOST_IP doesn't happen. Otherwise, the event arises when IPV4 address lost timer expires.
+IP_EVENT_STA_LOST_IP doesn't arise immediately after the Wi-Fi disconnects, instead it starts an IPV4 address lost timer, if the IPV4 address is got before ip lost timer expires, IP_EVENT_STA_LOST_IP doesn't happen. Otherwise, the event arises when IPV4 address lost timer expires.
 
 Generally the application don't need to care about this event, it is just a debug event to let the application know that the IPV4 address is lost.
 

docs/zh_CN/api-guides/wifi.rst

@@ -206,7 +206,7 @@ IP_EVENT_GOT_IP6
 ++++++++++++++++++++++++++++++++++++
 当 IPV6 SLAAC 支持自动为 {IDF_TARGET_NAME} 配置一个地址，或 {IDF_TARGET_NAME} 地址发生改变时，将引发此事件。此事件意味着应用程序一切就绪，可以开始任务（如：创建套接字）。
 
-IP_STA_LOST_IP
+IP_EVENT_STA_LOST_IP
 ++++++++++++++++++++++++++++++++++++
 当 IPV4 地址失效时，将引发此事件。