build(deps): bump github.com/hashicorp/terraform-plugin-docs in /tools (#413)

Bumps [github.com/hashicorp/terraform-plugin-docs](https://github.com/hashicorp/terraform-plugin-docs) from 0.20.1 to 0.21.0.
- [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@v0.20.1...v0.21.0)

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

Author: dependabot[bot]

tools/go.mod

@@ -4,7 +4,7 @@ go 1.22.7
 
 require (
 	github.com/hashicorp/copywrite v0.20.0
-	github.com/hashicorp/terraform-plugin-docs v0.20.1
+	github.com/hashicorp/terraform-plugin-docs v0.21.0
 )
 
 require (
@@ -14,12 +14,12 @@ require (
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/semver/v3 v3.2.0 // indirect
 	github.com/Masterminds/sprig/v3 v3.2.3 // indirect
-	github.com/ProtonMail/go-crypto v1.1.0-alpha.2 // indirect
+	github.com/ProtonMail/go-crypto v1.1.3 // indirect
 	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
 	github.com/armon/go-radix v1.0.0 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20200907205600-7a23bdc65eef // indirect
 	github.com/bgentry/speakeasy v0.1.0 // indirect
-	github.com/bmatcuk/doublestar/v4 v4.7.1 // indirect
+	github.com/bmatcuk/doublestar/v4 v4.8.1 // indirect
 	github.com/bradleyfalzon/ghinstallation/v2 v2.5.0 // indirect
 	github.com/cli/go-gh/v2 v2.11.2 // indirect
 	github.com/cli/safeexec v1.0.0 // indirect
@@ -34,7 +34,7 @@ require (
 	github.com/google/go-github/v53 v53.0.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/hashicorp/cli v1.1.6 // indirect
+	github.com/hashicorp/cli v1.1.7 // 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
@@ -43,10 +43,10 @@ require (
 	github.com/hashicorp/go-retryablehttp v0.7.7 // indirect
 	github.com/hashicorp/go-uuid v1.0.3 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
-	github.com/hashicorp/hc-install v0.9.0 // indirect
+	github.com/hashicorp/hc-install v0.9.1 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/hashicorp/terraform-exec v0.21.0 // indirect
-	github.com/hashicorp/terraform-json v0.23.0 // indirect
+	github.com/hashicorp/terraform-exec v0.22.0 // indirect
+	github.com/hashicorp/terraform-json v0.24.0 // indirect
 	github.com/huandu/xstrings v1.3.3 // indirect
 	github.com/imdario/mergo v0.3.15 // indirect
 	github.com/inconshreveable/mousetrap v1.0.1 // indirect
@@ -55,7 +55,7 @@ require (
 	github.com/joho/godotenv v1.3.0 // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/knadh/koanf v1.5.0 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/mergestat/timediff v0.0.3 // indirect
@@ -75,18 +75,18 @@ require (
 	github.com/thanhpk/randstr v1.0.4 // indirect
 	github.com/yuin/goldmark v1.7.7 // indirect
 	github.com/yuin/goldmark-meta v1.1.0 // indirect
-	github.com/zclconf/go-cty v1.15.0 // indirect
+	github.com/zclconf/go-cty v1.16.2 // indirect
 	go.abhg.dev/goldmark/frontmatter v0.2.0 // indirect
 	go.mongodb.org/mongo-driver v1.10.0 // indirect
-	golang.org/x/crypto v0.31.0 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
 	golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df // indirect
-	golang.org/x/mod v0.21.0 // indirect
+	golang.org/x/mod v0.22.0 // indirect
 	golang.org/x/net v0.33.0 // indirect
 	golang.org/x/oauth2 v0.8.0 // indirect
-	golang.org/x/sync v0.10.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/term v0.27.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
+	golang.org/x/sync v0.11.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/term v0.28.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect