Bump github.com/refraction-networking/utls from 1.6.6 to 1.6.7

Bumps [github.com/refraction-networking/utls](https://github.com/refraction-networking/utls) from 1.6.6 to 1.6.7.
- [Release notes](https://github.com/refraction-networking/utls/releases)
- [Commits](https://github.com/refraction-networking/utls/compare/v1.6.6...v1.6.7)

---
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

@@ -13,7 +13,7 @@ require (
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.7.0
 	github.com/quic-go/quic-go v0.45.1
-	github.com/refraction-networking/utls v1.6.6
+	github.com/refraction-networking/utls v1.6.7
 	github.com/sagernet/sing v0.4.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb

go.sum

@@ -112,8 +112,8 @@ github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7q
 github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/quic-go/quic-go v0.45.1 h1:tPfeYCk+uZHjmDRwHHQmvHRYL2t44ROTujLeFVBmjCA=
 github.com/quic-go/quic-go v0.45.1/go.mod h1:1dLehS7TIR64+vxGR70GDcatWTOtMX2PUtnKsjbTurI=
-github.com/refraction-networking/utls v1.6.6 h1:igFsYBUJPYM8Rno9xUuDoM5GQrVEqY4llzEXOkL43Ig=
-github.com/refraction-networking/utls v1.6.6/go.mod h1:BC3O4vQzye5hqpmDTWUqi4P5DDhzJfkV1tdqtawQIH0=
+github.com/refraction-networking/utls v1.6.7 h1:zVJ7sP1dJx/WtVuITug3qYUq034cDq9B2MR1K67ULZM=
+github.com/refraction-networking/utls v1.6.7/go.mod h1:BC3O4vQzye5hqpmDTWUqi4P5DDhzJfkV1tdqtawQIH0=
 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=