v3/master
Fix cppcheck error in example multi.c
Change main function argument type to const char*
fix: cppcheck warnings with version 2.21.0
Fix macOS GitHub Actions build: add PCRE2_CFLAGS/LDADD/LDFLAGS
Fix modsecurity-regression-test-secremoterules.txt URL in example
Adding multithreaded example from issue #3054 (by airween) - Rewritten to use C++ libModSecurity API and std::thread (instead of pthreads)