build(deps): bump gopkg.in/yaml.v2 from 2.3.0 to 2.4.0 (#622)

Bumps [gopkg.in/yaml.v2](https://github.com/go-yaml/yaml) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/go-yaml/yaml/releases)
- [Commits](go-yaml/yaml@v2.3.0...v2.4.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -27,5 +27,5 @@ require (
  github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef
  golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
  google.golang.org/grpc v1.30.0 // indirect
- gopkg.in/yaml.v2 v2.3.0
+ gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -134,8 +134,6 @@ github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/cosmos/cosmos-sdk v0.39.2-rc3 h1:TbNPkGP2I7qP+XEYtimb6yj19QnGYZVVuSVg/5HLpYw=
-github.com/cosmos/cosmos-sdk v0.39.2-rc3/go.mod h1:VNUluciWBFj2vkhpMcp8rYZL/kCw0FtNc7SseUjE1KM=
 github.com/cosmos/cosmos-sdk v0.39.2 h1:nLfCJMkUuFt7ansi/YvCxwwxLFrgHCA3cYP4sJKYQdk=
 github.com/cosmos/cosmos-sdk v0.39.2/go.mod h1:VNUluciWBFj2vkhpMcp8rYZL/kCw0FtNc7SseUjE1KM=
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d h1:49RLWk1j44Xu4fjHb6JFYmeUnDORVwHNkDxaQ0ctCVU=
@@ -960,6 +958,8 @@ gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 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=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=