Bump github.com/refraction-networking/utls from 1.6.0 to 1.6.1

Bumps [github.com/refraction-networking/utls](https://github.com/refraction-networking/utls) from 1.6.0 to 1.6.1.
- [Release notes](https://github.com/refraction-networking/utls/releases)
- [Commits](https://github.com/refraction-networking/utls/compare/v1.6.0...v1.6.1)

---
updated-dependencies:
- dependency-name: github.com/refraction-networking/utls
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.7.0
 	github.com/quic-go/quic-go v0.40.1
-	github.com/refraction-networking/utls v1.6.0
+	github.com/refraction-networking/utls v1.6.1
 	github.com/sagernet/sing v0.3.0
 	github.com/sagernet/sing-shadowsocks v0.2.6
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb

go.sum

@@ -118,8 +118,8 @@ github.com/quic-go/qtls-go1-20 v0.4.1 h1:D33340mCNDAIKBqXuAvexTNMUByrYmFYVfKfDN5
 github.com/quic-go/qtls-go1-20 v0.4.1/go.mod h1:X9Nh97ZL80Z+bX/gUXMbipO6OxdiDi58b/fMC9mAL+k=
 github.com/quic-go/quic-go v0.40.1 h1:X3AGzUNFs0jVuO3esAGnTfvdgvL4fq655WaOi1snv1Q=
 github.com/quic-go/quic-go v0.40.1/go.mod h1:PeN7kuVJ4xZbxSv/4OX6S1USOX8MJvydwpTx31vx60c=
-github.com/refraction-networking/utls v1.6.0 h1:X5vQMqVx7dY7ehxxqkFER/W6DSjy8TMqSItXm8hRDYQ=
+github.com/refraction-networking/utls v1.6.1 h1:n1JG5karzdGWsI6iZmGrOv3SNzR4c+4M8J6KWGsk3lA=
-github.com/refraction-networking/utls v1.6.0/go.mod h1:kHJ6R9DFFA0WsRgBM35iiDku4O7AqPR6y79iuzW7b10=
+github.com/refraction-networking/utls v1.6.1/go.mod h1:+EbcQOvQvXoFV9AEKbuGlljt1doLRKAVY1jJHe9EtDo=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=