const github.com/refraction-networking/utls/dicttls.SigAlg_gostr34102012_256

one use

	github.com/refraction-networking/utls/dicttls (current package)
		signaturealgorithm.go#L17: 	SigAlg_gostr34102012_256 uint8 = 64 // value changed in TLS 1.3, to 0x0709-0x070C