const github.com/refraction-networking/utls/dicttls.SigScheme_ecdsa_brainpoolP384r1tls13_sha384

one use

	github.com/refraction-networking/utls/dicttls (current package)
		signaturescheme.go#L39: 	SigScheme_ecdsa_brainpoolP384r1tls13_sha384 uint16 = 0x081B