Bump github.com/hashicorp/terraform-plugin-go from 0.20.0 to 0.21.0

Bumps [github.com/hashicorp/terraform-plugin-go](https://github.com/hashicorp/terraform-plugin-go) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/hashicorp/terraform-plugin-go/releases)
- [Changelog](https://github.com/hashicorp/terraform-plugin-go/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-plugin-go@v0.20.0...v0.21.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -5,7 +5,7 @@ go 1.17
 require (
 	github.com/hashicorp/terraform-plugin-docs v0.16.0
 	github.com/hashicorp/terraform-plugin-framework v1.5.0
-	github.com/hashicorp/terraform-plugin-go v0.20.0
+	github.com/hashicorp/terraform-plugin-go v0.21.0
 )
 
 require (
@@ -19,7 +19,7 @@ require (
 	github.com/cloudflare/circl v1.3.3 // indirect
 	github.com/fatih/color v1.15.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/uuid v1.3.1 // indirect
+	github.com/google/uuid v1.4.0 // 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
@@ -53,13 +53,13 @@ require (
 	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
-	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/crypto v0.15.0 // indirect
 	golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df // indirect
 	golang.org/x/mod v0.11.0 // indirect
-	golang.org/x/net v0.17.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
-	golang.org/x/text v0.13.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20231002182017-d307bd883b97 // indirect
-	google.golang.org/grpc v1.60.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	golang.org/x/net v0.18.0 // indirect
+	golang.org/x/sys v0.14.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17 // indirect
+	google.golang.org/grpc v1.61.0 // indirect
+	google.golang.org/protobuf v1.32.0 // indirect
 )