fix(websocket): Cleaned up printf/format warnings (-Wno-format)

components/esp_websocket_client/examples/main/CMakeLists.txt

@@ -1,3 +1,2 @@
 idf_component_register(SRCS "websocket_example.c"
                     INCLUDE_DIRS ".")
-target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")

components/esp_websocket_client/examples/main/websocket_example.c

@@ -170,7 +170,7 @@ static void websocket_app_start(void)
 void app_main(void)
 {
     ESP_LOGI(TAG, "[APP] Startup..");
-    ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
+    ESP_LOGI(TAG, "[APP] Free memory: %" PRIu32 " bytes", esp_get_free_heap_size());
     ESP_LOGI(TAG, "[APP] IDF version: %s", esp_get_idf_version());
     esp_log_level_set("*", ESP_LOG_INFO);
     esp_log_level_set("websocket_client", ESP_LOG_DEBUG);