Alexey Lapshin 03ce915668 build system: re-add -Wno-format as private flag for some test_apps		%!s(int64=3) %!d(string=hai) anos
..
main	03ce915668 build system: re-add -Wno-format as private flag for some test_apps	%!s(int64=3) %!d(string=hai) anos
CMakeLists.txt	facab8c5a7 tools: Increase the minimal supported CMake version to 3.16	%!s(int64=3) %!d(string=hai) anos
README.md	c0568611dd docs: changes docs supported targets tables	%!s(int64=3) %!d(string=hai) anos

Supported Targets	ESP32	ESP32-C2	ESP32-C3	ESP32-S2	ESP32-S3

Build only test for C++

This test app ensures that calling all mqtt-client API could be called from C++