update go modules (#1240)

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

go.mod

@@ -37,12 +37,12 @@ require (
 	github.com/leodido/go-urn v1.2.0 // indirect
 	github.com/lib/pq v1.3.0
 	github.com/lucas-clemente/quic-go v0.14.1
-	github.com/mholt/certmagic v0.9.1
-	github.com/micro/cli/v2 v2.1.2-0.20200203150404-894195727d9c
+	github.com/mholt/certmagic v0.9.3
+	github.com/micro/cli/v2 v2.1.2
 	github.com/micro/mdns v0.3.0
 	github.com/miekg/dns v1.1.27
 	github.com/mitchellh/hashstructure v1.0.0
-	github.com/nats-io/nats-server/v2 v2.1.2
+	github.com/nats-io/nats-server/v2 v2.1.4
 	github.com/nats-io/nats.go v1.9.1
 	github.com/nlopes/slack v0.6.1-0.20191106133607-d06c2a2b3249
 	github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c
@@ -54,8 +54,8 @@ require (
 	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
 	go.etcd.io/bbolt v1.3.3 // indirect
 	go.uber.org/zap v1.13.0
-	golang.org/x/crypto v0.0.0-20200117160349-530e935923ad
-	golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa
+	golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d
+	golang.org/x/net v0.0.0-20200222125558-5a598a2470a0
 	golang.org/x/sys v0.0.0-20191110163157-d32e6e3b99c4 // indirect
 	google.golang.org/grpc v1.26.0
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect