Add support for provisioners (hashicorp#542)

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/hashicorp/terraform-exec v0.13.3
 	github.com/hashicorp/terraform-json v0.11.0
 	github.com/hashicorp/terraform-registry-address v0.0.0-20210412075316-9b2996cce896
-	github.com/hashicorp/terraform-schema v0.0.0-20210610072752-db0f98d505df
+	github.com/hashicorp/terraform-schema v0.0.0-20210610083714-03085295bd36
 	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/mh-cbon/go-fmt-fail v0.0.0-20160815164508-67765b3fbcb5
 	github.com/mitchellh/cli v1.1.2

go.sum

@@ -203,8 +203,8 @@ github.com/hashicorp/terraform-json v0.11.0 h1:4zDqqW2F3kOysORIaYKFGgWDYIRA3hwqx
 github.com/hashicorp/terraform-json v0.11.0/go.mod h1:pmbq9o4EuL43db5+0ogX10Yofv1nozM+wskr/bGFJpI=
 github.com/hashicorp/terraform-registry-address v0.0.0-20210412075316-9b2996cce896 h1:1FGtlkJw87UsTMg5s8jrekrHmUPUJaMcu6ELiVhQrNw=
 github.com/hashicorp/terraform-registry-address v0.0.0-20210412075316-9b2996cce896/go.mod h1:bzBPnUIkI0RxauU8Dqo+2KrZZ28Cf48s8V6IHt3p4co=
-github.com/hashicorp/terraform-schema v0.0.0-20210610072752-db0f98d505df h1:cAhkUZ6rlKfU5enK8tjYouj0jWxEqsXGfbl1Vgokr6M=
-github.com/hashicorp/terraform-schema v0.0.0-20210610072752-db0f98d505df/go.mod h1:6HnR9FvXrFimOgw3U/9Y1w8J02RJj6YWm7WSOFb4iEM=
+github.com/hashicorp/terraform-schema v0.0.0-20210610083714-03085295bd36 h1:sqpjt62JAEyiZHns3PR/wZVILmaJEsF2zwkj6rCchfA=
+github.com/hashicorp/terraform-schema v0.0.0-20210610083714-03085295bd36/go.mod h1:6HnR9FvXrFimOgw3U/9Y1w8J02RJj6YWm7WSOFb4iEM=
 github.com/hashicorp/terraform-svchost v0.0.0-20200729002733-f050f53b9734 h1:HKLsbzeOsfXmKNpr3GiT18XAblV0BjCbzL8KQAMZGa0=
 github.com/hashicorp/terraform-svchost v0.0.0-20200729002733-f050f53b9734/go.mod h1:kNDNcF7sN4DocDLBkQYz73HGKwN1ANB1blq4lIYLYvg=
 github.com/huandu/xstrings v1.3.2 h1:L18LIDzqlW6xN2rEkpdV8+oL/IXWJ1APd+vsdYy4Wdw=