Bump github.com/sagernet/sing from 0.3.3 to 0.3.4

Bumps [github.com/sagernet/sing](https://github.com/sagernet/sing) from 0.3.3 to 0.3.4.
- [Commits](https://github.com/sagernet/sing/compare/v0.3.3...v0.3.4)

---
updated-dependencies:
- dependency-name: github.com/sagernet/sing
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/pires/go-proxyproto v0.7.0
 	github.com/quic-go/quic-go v0.41.0
 	github.com/refraction-networking/utls v1.6.3
-	github.com/sagernet/sing v0.3.3
+	github.com/sagernet/sing v0.3.4
 	github.com/sagernet/sing-shadowsocks v0.2.6
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb
 	github.com/stretchr/testify v1.9.0

go.sum

@@ -121,8 +121,8 @@ github.com/refraction-networking/utls v1.6.3/go.mod h1:yil9+7qSl+gBwJqztoQseO6Pr
 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=
-github.com/sagernet/sing v0.3.3 h1:gJWe0YrAqRlJqkQ5o9vZ9kMBerABm9q4j8MK78DuZuA=
-github.com/sagernet/sing v0.3.3/go.mod h1:qHySJ7u8po9DABtMYEkNBcOumx7ZZJf/fbv2sfTkNHE=
+github.com/sagernet/sing v0.3.4 h1:mFGTVGFz/RxIDT9BMyJ67PanLxVh6fagB27eaUlO0aw=
+github.com/sagernet/sing v0.3.4/go.mod h1:qHySJ7u8po9DABtMYEkNBcOumx7ZZJf/fbv2sfTkNHE=
 github.com/sagernet/sing-shadowsocks v0.2.6 h1:xr7ylAS/q1cQYS8oxKKajhuQcchd5VJJ4K4UZrrpp0s=
 github.com/sagernet/sing-shadowsocks v0.2.6/go.mod h1:j2YZBIpWIuElPFL/5sJAj470bcn/3QQ5lxZUNKLDNAM=
 github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb h1:XfLJSPIOUX+osiMraVgIrMR27uMXnRJWGm1+GL8/63U=