Fix cached conn eats up read deadlines

go.mod

@@ -27,7 +27,7 @@ require (
 	github.com/sagernet/gvisor v0.0.0-20240428053021-e691de28565f
 	github.com/sagernet/quic-go v0.47.0-beta.2
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691
-	github.com/sagernet/sing v0.4.2
+	github.com/sagernet/sing v0.4.3
 	github.com/sagernet/sing-dns v0.2.3
 	github.com/sagernet/sing-mux v0.2.0
 	github.com/sagernet/sing-quic v0.2.2

go.sum

@@ -108,8 +108,8 @@ github.com/sagernet/quic-go v0.47.0-beta.2/go.mod h1:bLVKvElSEMNv7pu7SZHscW02TYi
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 h1:5Th31OC6yj8byLGkEnIYp6grlXfo1QYUfiYFGjewIdc=
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
 github.com/sagernet/sing v0.2.18/go.mod h1:OL6k2F0vHmEzXz2KW19qQzu172FDgSbUSODylighuVo=
-github.com/sagernet/sing v0.4.2 h1:jzGNJdZVRI0xlAfFugsIQUPvyB9SuWvbJK7zQCXc4QM=
-github.com/sagernet/sing v0.4.2/go.mod h1:ieZHA/+Y9YZfXs2I3WtuwgyCZ6GPsIR7HdKb1SdEnls=
+github.com/sagernet/sing v0.4.3 h1:Ty/NAiNnVd6844k7ujlL5lkzydhcTH5Psc432jXA4Y8=
+github.com/sagernet/sing v0.4.3/go.mod h1:ieZHA/+Y9YZfXs2I3WtuwgyCZ6GPsIR7HdKb1SdEnls=
 github.com/sagernet/sing-dns v0.2.3 h1:YzeBUn2tR38F7HtvGEQ0kLRLmZWMEgi/+7wqa4Twb1k=
 github.com/sagernet/sing-dns v0.2.3/go.mod h1:BJpJv6XLnrUbSyIntOT6DG9FW0f4fETmPAHvNjOprLg=
 github.com/sagernet/sing-mux v0.2.0 h1:4C+vd8HztJCWNYfufvgL49xaOoOHXty2+EAjnzN3IYo=