Upgrade secrethub-go to v0.31.0

Author: SimonBarendse

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/secrethub/demo-app v0.1.0
-	github.com/secrethub/secrethub-go v0.30.0
+	github.com/secrethub/secrethub-go v0.31.0
 	github.com/zalando/go-keyring v0.0.0-20190208082241-fbe81aec3a07
 	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d

go.sum

@@ -178,6 +178,8 @@ github.com/secrethub/secrethub-go v0.29.1-0.20200707154958-5e5602145597 h1:uC9OD
 github.com/secrethub/secrethub-go v0.29.1-0.20200707154958-5e5602145597/go.mod h1:tDeBtyjfFQX3UqgaZfY+H4dYkcGfiVzrwLDf0XtfOrw=
 github.com/secrethub/secrethub-go v0.30.0 h1:Nh1twPDwPbYQj/cYc1NG+j7sv76LZiXLPovyV83tZj0=
 github.com/secrethub/secrethub-go v0.30.0/go.mod h1:tDeBtyjfFQX3UqgaZfY+H4dYkcGfiVzrwLDf0XtfOrw=
+github.com/secrethub/secrethub-go v0.31.0 h1:0KoG0KHBOa5knkvf3K0f6sKuPSQ5VGPXLD4ttC9Eul8=
+github.com/secrethub/secrethub-go v0.31.0/go.mod h1:ZIco8Y0G0Pi0Vb7pQROjvEKgSreZiRMLhAbzWUneUSQ=
 github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.2.0 h1:Hbg2NidpLE8veEBkEZTL3CvlkUIVzuU9jDplZO54c48=