fix: update dependencies

go.mod

@@ -3,26 +3,17 @@ module github.com/netlify/open-api
 go 1.13
 
 require (
-	contrib.go.opencensus.io/exporter/ocagent v0.4.12 // indirect
-	github.com/Azure/go-autorest v12.0.0+incompatible
-	github.com/cenkalti/backoff v2.1.1+incompatible
-	github.com/go-openapi/errors v0.19.2
-	github.com/go-openapi/runtime v0.19.5
-	github.com/go-openapi/strfmt v0.19.3
-	github.com/go-openapi/swag v0.19.5
-	github.com/go-openapi/validate v0.19.3
+	github.com/Azure/go-autorest/autorest v0.10.1
+	github.com/cenkalti/backoff/v4 v4.0.2
+	github.com/go-openapi/errors v0.19.4
+	github.com/go-openapi/runtime v0.19.15
+	github.com/go-openapi/strfmt v0.19.5
+	github.com/go-openapi/swag v0.19.9
+	github.com/go-openapi/validate v0.19.8
 	github.com/go-swagger/go-swagger v0.20.2-0.20190910212040-c49ea4ca2112
-	github.com/grpc-ecosystem/grpc-gateway v1.9.6 // indirect
-	github.com/hashicorp/golang-lru v0.5.3 // indirect
-	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
-	github.com/kyoh86/richgo v0.3.1
-	github.com/myitcv/gobin v0.0.13 // indirect
-	github.com/rogpeppe/go-internal v1.3.2 // indirect
+	github.com/kyoh86/richgo v0.3.3
+	github.com/myitcv/gobin v0.0.14
 	github.com/rsc/goversion v1.2.0
-	github.com/sirupsen/logrus v1.4.2
-	github.com/stretchr/testify v1.4.0
-	go.opencensus.io v0.22.0 // indirect
-	google.golang.org/api v0.8.0 // indirect
-	google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 // indirect
-	google.golang.org/grpc v1.23.0 // indirect
+	github.com/sirupsen/logrus v1.6.0
+	github.com/stretchr/testify v1.5.1
 )