* Fix building and running unit tests
* Enable unit tests
* Add gtest always
* test-sanitizers.yml: Use makefile.conf
* proper test setup
* make it run on macOS
* Run libyosys build only for unit tests after testing is done
* Disable LTO on public CI
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Co-authored-by: Krystine Sherwin <93062060+KrystalDelusion@users.noreply.github.com>