[clang-tidy] Support readability-redundant-string-cstr.StringParameterFunctions option

Add StringParameterFunctions option to allow the
readability-redundant-string-cstr check to work with library functions
such as fmt::format and spdlog::logger:info that are able to support
std::string arguments in addition to const char * ones.

Depends on D143342

Reviewed By: PiotrZSL

Differential Revision: https://reviews.llvm.org/D145885