Utilize TypeParam to change traits implementation during testing #750

Job	Run time
Traits (glaze-json)	25s
Traits (kazuho-picojson)	8s
Traits (reflectcpp-json)	1m 26s
Traits (boost-json)	23s
Traits (open-source-parsers-jsoncpp)	31s
Traits (danielaparker-jsoncons)	10s
Traits (nlohmann-json)	17s
	3m 20s

Provide feedback