* Enable lcov coverage in unit testing via cmake.
* fix pipeline build error
* add compile options for unit test to silence some warnings
* remove all BAC_TEST unit tests in src/bacnet/ folder. They are now in test/bacnet/ folders using ztest.
* removed key.c - only used for unit test.
* produce XML test result output for parsing
* produce junit XML test result output
* change lint workflow to quality
* update readme badge for quality results
Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
Steve Karg