Bump github.com/hashicorp/terraform-plugin-docs from 0.16.0 to 0.18.0

Bumps [github.com/hashicorp/terraform-plugin-docs](https://github.com/hashicorp/terraform-plugin-docs) from 0.16.0 to 0.18.0.
- [Release notes](https://github.com/hashicorp/terraform-plugin-docs/releases)
- [Changelog](https://github.com/hashicorp/terraform-plugin-docs/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-plugin-docs@v0.16.0...v0.18.0)

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

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

go.mod

@@ -16,12 +16,14 @@ require (
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
 	cloud.google.com/go/iam v1.1.2 // indirect
 	cloud.google.com/go/storage v1.30.1 // indirect
+	github.com/Kunde21/markdownfmt/v3 v3.1.0 // indirect
 	github.com/Masterminds/goutils v1.1.1 // indirect
-	github.com/Masterminds/semver/v3 v3.1.1 // indirect
-	github.com/Masterminds/sprig/v3 v3.2.2 // indirect
-	github.com/ProtonMail/go-crypto v0.0.0-20230217124315-7d5c6f04bbb8 // indirect
+	github.com/Masterminds/semver/v3 v3.2.0 // indirect
+	github.com/Masterminds/sprig/v3 v3.2.3 // indirect
+	github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 // indirect
 	github.com/agext/levenshtein v1.2.3 // indirect
 	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
+	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
 	github.com/armon/go-radix v1.0.0 // indirect
 	github.com/aws/aws-sdk-go v1.44.122 // indirect
 	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
@@ -47,27 +49,28 @@ require (
 	github.com/googleapis/enterprise-certificate-proxy v0.2.4 // indirect
 	github.com/googleapis/gax-go/v2 v2.12.0 // indirect
 	github.com/gruntwork-io/go-commons v0.8.0 // indirect
+	github.com/hashicorp/cli v1.1.6 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-checkpoint v0.5.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-getter v1.7.1 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-safetemp v1.0.0 // indirect
 	github.com/hashicorp/go-version v1.6.0 // indirect
-	github.com/hashicorp/hc-install v0.5.2 // indirect
+	github.com/hashicorp/hc-install v0.6.2 // indirect
 	github.com/hashicorp/hcl/v2 v2.16.2 // indirect
-	github.com/hashicorp/terraform-exec v0.18.1 // indirect
-	github.com/hashicorp/terraform-json v0.17.1 // indirect
-	github.com/huandu/xstrings v1.3.2 // indirect
-	github.com/imdario/mergo v0.3.13 // indirect
+	github.com/hashicorp/terraform-exec v0.20.0 // indirect
+	github.com/hashicorp/terraform-json v0.21.0 // indirect
+	github.com/huandu/xstrings v1.3.3 // indirect
+	github.com/imdario/mergo v0.3.15 // indirect
 	github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.15.11 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/mattn/go-zglob v0.0.2-0.20190814121620-e3c945676326 // indirect
-	github.com/mitchellh/cli v1.1.5 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
@@ -89,10 +92,12 @@ require (
 	github.com/urfave/cli v1.22.2 // indirect
 	github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
-	github.com/zclconf/go-cty v1.13.2 // indirect
+	github.com/yuin/goldmark v1.6.0 // indirect
+	github.com/yuin/goldmark-meta v1.1.0 // indirect
+	github.com/zclconf/go-cty v1.14.1 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	golang.org/x/crypto v0.18.0 // indirect
-	golang.org/x/mod v0.11.0 // indirect
+	golang.org/x/mod v0.14.0 // indirect
 	golang.org/x/sync v0.4.0 // indirect
 	golang.org/x/term v0.16.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
@@ -115,21 +120,21 @@ require (
 )
 
 require (
-	github.com/fatih/color v1.15.0 // indirect
+	github.com/fatih/color v1.16.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/gruntwork-io/terratest v0.46.11
 	github.com/hashicorp/go-hclog v1.5.0 // indirect
 	github.com/hashicorp/go-plugin v1.6.0 // indirect
 	github.com/hashicorp/go-uuid v1.0.3 // indirect
-	github.com/hashicorp/terraform-plugin-docs v0.16.0
+	github.com/hashicorp/terraform-plugin-docs v0.18.0
 	github.com/hashicorp/terraform-plugin-framework-validators v0.12.0
 	github.com/hashicorp/terraform-plugin-go v0.20.0 // indirect
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/hashicorp/terraform-registry-address v0.2.3 // indirect
 	github.com/hashicorp/terraform-svchost v0.1.1 // indirect
 	github.com/hashicorp/yamux v0.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
 	github.com/oklog/run v1.1.0 // indirect
 	golang.org/x/net v0.20.0 // indirect