Bump github.com/google/go-cmp from 0.3.0 to 0.3.1

Bumps [github.com/google/go-cmp](https://github.com/google/go-cmp) from 0.3.0 to 0.3.1.
- [Release notes](https://github.com/google/go-cmp/releases)
- [Commits](google/go-cmp@v0.3.0...v0.3.1)

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

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/aws/aws-sdk-go v1.23.0
 	github.com/fatih/color v1.7.0
 	github.com/golang/mock v1.3.1
-	github.com/google/go-cmp v0.3.0
+	github.com/google/go-cmp v0.3.1
 	github.com/hashicorp/aws-sdk-go-base v0.3.0
 	github.com/hashicorp/go-version v1.2.0
 	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce // indirect

go.sum

@@ -119,6 +119,8 @@ github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
 github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=