build(deps): bump github.com/hashicorp/terraform-exec (#664)

Bumps [github.com/hashicorp/terraform-exec](https://github.com/hashicorp/terraform-exec) from 0.14.0 to 0.15.0.
- [Release notes](https://github.com/hashicorp/terraform-exec/releases)
- [Changelog](https://github.com/hashicorp/terraform-exec/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-exec@v0.14.0...v0.15.0)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/terraform-exec
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

go.mod

@@ -15,8 +15,8 @@ require (
 	github.com/hashicorp/go-version v1.3.0
 	github.com/hashicorp/hcl-lang v0.0.0-20210823185445-8fcbc27a6a22
 	github.com/hashicorp/hcl/v2 v2.10.1
-	github.com/hashicorp/terraform-exec v0.14.0
-	github.com/hashicorp/terraform-json v0.12.0
+	github.com/hashicorp/terraform-exec v0.15.0
+	github.com/hashicorp/terraform-json v0.13.0
 	github.com/hashicorp/terraform-registry-address v0.0.0-20210816115301-cb2034eba045
 	github.com/hashicorp/terraform-schema v0.0.0-20210823185306-e7a9c4e84cd1
 	github.com/kylelemons/godebug v1.1.0 // indirect

go.sum

@@ -199,10 +199,11 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
-github.com/hashicorp/terraform-exec v0.14.0 h1:UQoUcxKTZZXhyyK68Cwn4mApT4mnFPmEXPiqaHL9r+w=
-github.com/hashicorp/terraform-exec v0.14.0/go.mod h1:qrAASDq28KZiMPDnQ02sFS9udcqEkRly002EA2izXTA=
-github.com/hashicorp/terraform-json v0.12.0 h1:8czPgEEWWPROStjkWPUnTQDXmpmZPlkQAwYYLETaTvw=
+github.com/hashicorp/terraform-exec v0.15.0 h1:cqjh4d8HYNQrDoEmlSGelHmg2DYDh5yayckvJ5bV18E=
+github.com/hashicorp/terraform-exec v0.15.0/go.mod h1:H4IG8ZxanU+NW0ZpDRNsvh9f0ul7C0nHP+rUR/CHs7I=
 github.com/hashicorp/terraform-json v0.12.0/go.mod h1:pmbq9o4EuL43db5+0ogX10Yofv1nozM+wskr/bGFJpI=
+github.com/hashicorp/terraform-json v0.13.0 h1:Li9L+lKD1FO5RVFRM1mMMIBDoUHslOniyEi5CM+FWGY=
+github.com/hashicorp/terraform-json v0.13.0/go.mod h1:y5OdLBCT+rxbwnpxZs9kGL7R9ExU76+cpdY8zHwoazk=
 github.com/hashicorp/terraform-registry-address v0.0.0-20210412075316-9b2996cce896/go.mod h1:bzBPnUIkI0RxauU8Dqo+2KrZZ28Cf48s8V6IHt3p4co=
 github.com/hashicorp/terraform-registry-address v0.0.0-20210816115301-cb2034eba045 h1:R/I8ofvXuPcTNoc//N4ruvaHGZcShI/VuU2iXo875Lo=
 github.com/hashicorp/terraform-registry-address v0.0.0-20210816115301-cb2034eba045/go.mod h1:anRyJbe12BZscpFgaeGu9gH12qfdBP094LYFtuAFzd4=
@@ -382,7 +383,6 @@ github.com/zclconf/go-cty v1.1.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLE
 github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
 github.com/zclconf/go-cty v1.2.1/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
 github.com/zclconf/go-cty v1.8.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
-github.com/zclconf/go-cty v1.8.4/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
 github.com/zclconf/go-cty v1.9.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
 github.com/zclconf/go-cty v1.9.1 h1:viqrgQwFl5UpSxc046qblj78wZXVDFnSOufaOTER+cc=
 github.com/zclconf/go-cty v1.9.1/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=