Bump gopkg.in/yaml.v2 from 2.2.7 to 2.2.8

go.mod

@@ -3,33 +3,14 @@ module github.com/aunum/sphere
 go 1.13
 
 require (
-	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
-	github.com/Microsoft/go-winio v0.4.14 // indirect
-	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
-	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
-	github.com/containerd/continuity v0.0.0-20191214063359-1097c8bae83b // indirect
-	github.com/docker/go-connections v0.4.0 // indirect
-	github.com/docker/go-units v0.4.0 // indirect
-	github.com/fatih/color v1.7.0
-	github.com/ghodss/yaml v1.0.0
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/gogo/protobuf v1.3.1 // indirect
 	github.com/golang/protobuf v1.3.2
-	github.com/gotestyourself/gotestyourself v2.2.0+incompatible // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.12.1
-	github.com/lib/pq v1.3.0 // indirect
-	github.com/mattn/go-colorable v0.1.4 // indirect
-	github.com/mattn/go-isatty v0.0.11 // indirect
-	github.com/opencontainers/image-spec v1.0.1 // indirect
-	github.com/opencontainers/runc v0.1.1 // indirect
-	github.com/ory/dockertest v3.3.5+incompatible
-	github.com/sirupsen/logrus v1.4.2 // indirect
-	github.com/skratchdot/open-golang v0.0.0-20190402232053-79abb63cd66e
-	github.com/stretchr/testify v1.4.0
 	golang.org/x/sys v0.0.0-20191220220014-0732a990476f // indirect
 	gonum.org/v1/gonum v0.6.2 // indirect
 	google.golang.org/genproto v0.0.0-20191206224255-0243a4be9c8f
 	google.golang.org/grpc v1.25.1
-	gopkg.in/yaml.v2 v2.2.7
+	gopkg.in/yaml.v2 v2.2.8 // indirect
 	gorgonia.org/tensor v0.9.3
-	gotest.tools v2.2.0+incompatible // indirect
 )