Merge branch 'fix/add_sta_authmode_for_sta_connect_v5.2' into 'release/v5.2'

Modify authmode to sta for sta connect event(backport v5.2)

See merge request espressif/esp-idf!37642

components/esp_wifi/include/esp_wifi_types.h

@@ -944,7 +944,7 @@ typedef struct {
     uint8_t ssid_len;         /**< SSID length of connected AP */
     uint8_t bssid[6];         /**< BSSID of connected AP*/
     uint8_t channel;          /**< channel of connected AP*/
-    wifi_auth_mode_t authmode;/**< authentication mode used by AP*/
+    wifi_auth_mode_t authmode;/**< authentication mode used by the connection*/
     uint16_t aid;             /**< authentication id assigned by the connected AP */
 } wifi_event_sta_connected_t;