Bump github.com/hashicorp/terraform-exec from 0.20.0 to 0.21.0 (#1442)

Bumps
[github.com/hashicorp/terraform-exec](https://github.com/hashicorp/terraform-exec)
from 0.20.0 to 0.21.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/hashicorp/terraform-exec/releases">github.com/hashicorp/terraform-exec's
releases</a>.</em></p>
<blockquote>
<h2>v0.21.0</h2>
<p>ENHANCEMENTS:</p>
<ul>
<li>tfexec: Add <code>-allow-deferral</code> to
<code>(Terraform).Apply()</code> and <code>(Terraform).Plan()</code>
methods (<a
href="https://redirect.github.com/hashicorp/terraform-exec/pull/447">#447</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/hashicorp/terraform-exec/blob/main/CHANGELOG.md">github.com/hashicorp/terraform-exec's
changelog</a>.</em></p>
<blockquote>
<h1>0.21.0 (May 17, 2024)</h1>
<p>ENHANCEMENTS:</p>
<ul>
<li>tfexec: Add <code>-allow-deferral</code> to
<code>(Terraform).Apply()</code> and <code>(Terraform).Plan()</code>
methods (<a
href="https://redirect.github.com/hashicorp/terraform-exec/pull/447">#447</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/b6ae175a49f3e552231eeeceed13d9a4d28e711e"><code>b6ae175</code></a>
v0.21.0 [skip ci]</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/67e92f47c08de2aecfb4bc2493442475d4779986"><code>67e92f4</code></a>
build(deps): bump github.com/hashicorp/terraform-json from 0.22.0 to
0.22.1 (...</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/64df8d266b23598a5765cd77a3081ace4eff08a2"><code>64df8d2</code></a>
build(deps): bump github.com/hashicorp/terraform-json from 0.21.0 to
0.22.0 (...</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/af05782eead4ebc78f05157c45e0c7cccb671100"><code>af05782</code></a>
build(deps): Bump workflows to latest trusted versions (<a
href="https://redirect.github.com/hashicorp/terraform-exec/issues/450">#450</a>)</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/1df7d521ed16040ff415e63607f29bf98fc15fc9"><code>1df7d52</code></a>
build(deps): bump golang.org/x/net from 0.22.0 to 0.23.0 (<a
href="https://redirect.github.com/hashicorp/terraform-exec/issues/444">#444</a>)</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/6ea72951a2437cb38f987422bff8f1ca0bd10fcd"><code>6ea7295</code></a>
build(deps): bump hashicorp/setup-copywrite from 1.1.2 to 1.1.3 in the
github...</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/a9c9728194c4c0aa04da955610d9cf0ada95e2bd"><code>a9c9728</code></a>
tfexec: Add <code>-allow-deferral</code> experimental options to
<code>Plan</code> and <code>Apply</code> comm...</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/c07c6785b7056aa790f30d42d4f277dd68dd3cd9"><code>c07c678</code></a>
Reenable Dependabot for internal GitHub actions (<a
href="https://redirect.github.com/hashicorp/terraform-exec/issues/455">#455</a>)</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/259b9e96e91633cb4e322c4b6360bc038d9180de"><code>259b9e9</code></a>
build(deps): bump github.com/hashicorp/hc-install from 0.6.3 to 0.6.4
(<a
href="https://redirect.github.com/hashicorp/terraform-exec/issues/443">#443</a>)</li>
<li><a
href="https://github.com/hashicorp/terraform-exec/commit/46360f17ab656eacfacc2ada9bcc4a355e53d08d"><code>46360f1</code></a>
build(deps): bump github.com/zclconf/go-cty from 1.14.3 to 1.14.4 (<a
href="https://redirect.github.com/hashicorp/terraform-exec/issues/441">#441</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/hashicorp/terraform-exec/compare/v0.20.0...v0.21.0">compare
view</a></li>
</ul>
</details>
<br />


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go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/google/uuid v1.6.0 // BSD-3-Clause
 	github.com/hashicorp/go-version v1.6.0 // MPL 2.0
 	github.com/hashicorp/hc-install v0.6.4 // MPL 2.0
-	github.com/hashicorp/terraform-exec v0.20.0 // MPL 2.0
+	github.com/hashicorp/terraform-exec v0.21.0 // MPL 2.0
 	github.com/hashicorp/terraform-json v0.22.1 // MPL 2.0
 	github.com/manifoldco/promptui v0.9.0 // BSD-3-Clause
 	github.com/mattn/go-isatty v0.0.20 // MIT