
Fix the install of the single header amalgate in catch2. The public API for catch < 2.3.0 was "#include <catch.hpp>". For 2.3.0+ it is "#include <catch2/catch.hpp>"
Fix the install of the single header amalgate in catch2. The public API for catch < 2.3.0 was "#include <catch.hpp>". For 2.3.0+ it is "#include <catch2/catch.hpp>"