Update main.py

Author: Jason2866

builder/main.py

@@ -376,6 +376,7 @@ def check_lib_archive_exists():
         target_firm = join("$BUILD_DIR", "${PROGNAME}.bin")
 else:
     target_elf = env.BuildProgram()
+    env.AddPostAction(target_elf, print_firmware_metrics)
     if set(["buildfs", "uploadfs", "uploadfsota"]) & set(COMMAND_LINE_TARGETS):
         target_firm = env.DataToBin(
             join("$BUILD_DIR", "${ESP32_FS_IMAGE_NAME}"), "$PROJECT_DATA_DIR"