Bump gopkg.in/yaml.v2 from 2.2.8 to 2.3.0 (cosmos#292)

Bumps [gopkg.in/yaml.v2](https://github.com/go-yaml/yaml) from 2.2.8 to 2.3.0.
- [Release notes](https://github.com/go-yaml/yaml/releases)
- [Commits](go-yaml/yaml@v2.2.8...v2.3.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

go.mod

@@ -16,9 +16,6 @@ require (
 	github.com/golangci/golangci-lint v1.23.8 // indirect
 	github.com/gorilla/mux v1.7.4
 	github.com/huin/goupnp v1.0.0 // indirect
-	github.com/mattn/go-colorable v0.1.4 // indirect
-	github.com/onsi/ginkgo v1.11.0 // indirect
-	github.com/onsi/gomega v1.8.1 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/tsdb v0.9.1 // indirect
 	github.com/regen-network/cosmos-proto v0.1.1-0.20200213154359-02baa11ea7c2
@@ -32,5 +29,5 @@ require (
 	github.com/tendermint/tendermint v0.33.3
 	github.com/tendermint/tm-db v0.5.1
 	golang.org/x/crypto v0.0.0-20200311171314-f7b00557c8c4
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/yaml.v2 v2.3.0
 )

go.sum

@@ -982,6 +982,8 @@ gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=