update micro to v3.1.1

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

go.mod

@@ -1,10 +1,10 @@
-module github.com/unistack-org/micro-client-grpc
+module github.com/unistack-org/micro-client-grpc/v3
 
 go 1.15
 
 require (
 	github.com/google/go-cmp v0.5.1 // indirect
-	github.com/unistack-org/micro/v3 v3.0.2-0.20201220205329-e6f870bda71a
+	github.com/unistack-org/micro/v3 v3.1.1
 	golang.org/x/sys v0.0.0-20200803210538-64077c9b5642 // indirect
 	golang.org/x/text v0.3.3 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect

go.sum

@@ -237,8 +237,8 @@ github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5
 github.com/timewasted/linode v0.0.0-20160829202747-37e84520dcf7/go.mod h1:imsgLplxEC/etjIhdr3dNzV3JeT27LbVu5pYWm0JCBY=
 github.com/transip/gotransip v0.0.0-20190812104329-6d8d9179b66f/go.mod h1:i0f4R4o2HM0m3DZYQWsj6/MEowD57VzoH0v3d7igeFY=
 github.com/uber-go/atomic v1.3.2/go.mod h1:/Ct5t2lcmbJ4OSe/waGBoaVvVqtO0bmtfVNex1PFV8g=
-github.com/unistack-org/micro/v3 v3.0.2-0.20201220205329-e6f870bda71a h1:S3KGfUO9LttJMvakfFZgd1bLz8XY2Z7X0DYLdgDDhXY=
-github.com/unistack-org/micro/v3 v3.0.2-0.20201220205329-e6f870bda71a/go.mod h1:0DgOy4OdJxQCDER8YSKitZugd2+1bddrRSNfeooTHDc=
+github.com/unistack-org/micro/v3 v3.1.1 h1:kWL0BVzUBdotjfDbl1qL9lNYmZqvebQWPNCyqrjUSAk=
+github.com/unistack-org/micro/v3 v3.1.1/go.mod h1:0DgOy4OdJxQCDER8YSKitZugd2+1bddrRSNfeooTHDc=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vultr/govultr v0.1.4/go.mod h1:9H008Uxr/C4vFNGLqKx232C206GL0PBHzOP0809bGNA=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=