dep: update github.com/hashicorp/yamux to latest (#2472)

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/google/uuid v1.2.0
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.4.2
-	github.com/hashicorp/yamux v0.0.0-20210316155119-a95892c5f864
+	github.com/hashicorp/yamux v0.0.0-20210707203944-259a57b3608c
 	github.com/klauspost/cpuid v1.2.0 // indirect
 	github.com/klauspost/reedsolomon v1.9.1 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect

go.sum

@@ -177,8 +177,8 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
-github.com/hashicorp/yamux v0.0.0-20210316155119-a95892c5f864 h1:Y4V+SFe7d3iH+9pJCoeWIOS5/xBJIFsltS7E+KJSsJY=
-github.com/hashicorp/yamux v0.0.0-20210316155119-a95892c5f864/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbgIO0SLnQ=
+github.com/hashicorp/yamux v0.0.0-20210707203944-259a57b3608c h1:nqkErwUGfpZZMqj29WZ9U/wz2OpJVDuiokLhE/3Y7IQ=
+github.com/hashicorp/yamux v0.0.0-20210707203944-259a57b3608c/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbgIO0SLnQ=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=