Update to tagged v0.3.0 release.

Author: Paddy Carver

go.mod

@@ -27,7 +27,7 @@ require (
 	github.com/hashicorp/logutils v1.0.0
 	github.com/hashicorp/terraform-exec v0.13.0
 	github.com/hashicorp/terraform-json v0.8.0
-	github.com/hashicorp/terraform-plugin-go v0.2.2-0.20210414015844-4730a5d4579d
+	github.com/hashicorp/terraform-plugin-go v0.3.0
 	github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d // indirect
 	github.com/keybase/go-crypto v0.0.0-20161004153544-93f5b35093ba
 	github.com/kylelemons/godebug v1.1.0 // indirect

go.sum

@@ -190,8 +190,8 @@ github.com/hashicorp/terraform-exec v0.13.0 h1:1Pth+pdWJAufJuWWjaVOVNEkoRTOjGn3h
 github.com/hashicorp/terraform-exec v0.13.0/go.mod h1:SGhto91bVRlgXQWcJ5znSz+29UZIa8kpBbkGwQ+g9E8=
 github.com/hashicorp/terraform-json v0.8.0 h1:XObQ3PgqU52YLQKEaJ08QtUshAfN3yu4u8ebSW0vztc=
 github.com/hashicorp/terraform-json v0.8.0/go.mod h1:3defM4kkMfttwiE7VakJDwCd4R+umhSQnvJwORXbprE=
-github.com/hashicorp/terraform-plugin-go v0.2.2-0.20210414015844-4730a5d4579d h1:aJpqBooxTa5oV2quNM5QMDAL44SS1zm6nVSNG1X5Iso=
-github.com/hashicorp/terraform-plugin-go v0.2.2-0.20210414015844-4730a5d4579d/go.mod h1:dFHsQMaTLpON2gWhVWT96fvtlc/MF1vSy3OdMhWBzdM=
+github.com/hashicorp/terraform-plugin-go v0.3.0 h1:AJqYzP52JFYl9NABRI7smXI1pNjgR5Q/y2WyVJ/BOZA=
+github.com/hashicorp/terraform-plugin-go v0.3.0/go.mod h1:dFHsQMaTLpON2gWhVWT96fvtlc/MF1vSy3OdMhWBzdM=
 github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
 github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d h1:kJCB4vdITiW1eC1vq2e6IsrXKrZit1bv/TDYFGMp4BQ=
 github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=