esp_wifi: Enable WPA3 & PMF by default

In wifi station example, set PMF(Protected Management Frames)
configuration to capable. Set WPA3 Feature in menuconfig enabled
by default. This will allow device to establish more secured
connection with AP's that support these protocols.

components/esp_wifi/Kconfig

@@ -297,7 +297,7 @@ menu "Wi-Fi"
 
     config ESP32_WIFI_ENABLE_WPA3_SAE
         bool "Enable WPA3-Personal"
-        default n
+        default y
         help
             Select this option to allow the device to establish a WPA3-Personal connection with eligible AP's.
             PMF (Protected Management Frames) is a prerequisite feature for a WPA3 connection, it needs to be

examples/wifi/getting_started/station/main/station_example_main.c

@@ -91,7 +91,11 @@ void wifi_init_sta(void)
     wifi_config_t wifi_config = {
         .sta = {
             .ssid = EXAMPLE_ESP_WIFI_SSID,
-            .password = EXAMPLE_ESP_WIFI_PASS
+            .password = EXAMPLE_ESP_WIFI_PASS,
+            .pmf_cfg = {
+                .capable = true,
+                .required = false
+            },
         },
     };
     ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );