bumo cmake version (#53)

Author: buglloc

CMakeLists.txt

@@ -2,7 +2,7 @@
 # https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html
 # The following five lines of boilerplate have to be in your project's
 # CMakeLists in this exact order for cmake to work correctly
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.30)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(BoundBoxESP)