Bump github.com/hashicorp/terraform-plugin-docs from 0.7.0 to 0.13.0

Bumps [github.com/hashicorp/terraform-plugin-docs](https://github.com/hashicorp/terraform-plugin-docs) from 0.7.0 to 0.13.0.
- [Release notes](https://github.com/hashicorp/terraform-plugin-docs/releases)
- [Changelog](https://github.com/hashicorp/terraform-plugin-docs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/hashicorp/terraform-plugin-docs/compare/v0.7.0...v0.13.0)

---
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>

vendor/github.com/hashicorp/errwrap/errwrap.go

@@ -44,6 +44,8 @@ func Wrap(outer, inner error) error {
 //
 // format is the format of the error message. The string '{{err}}' will
 // be replaced with the original error message.
+//
+// Deprecated: Use fmt.Errorf()
 func Wrapf(format string, err error) error {
 	outerMsg := "<nil>"
 	if err != nil {
@@ -148,6 +150,9 @@ func Walk(err error, cb WalkFunc) {
 		for _, err := range e.WrappedErrors() {
 			Walk(err, cb)
 		}
+	case interface{ Unwrap() error }:
+		cb(err)
+		Walk(e.Unwrap(), cb)
 	default:
 		cb(err)
 	}
@@ -167,3 +172,7 @@ func (w *wrappedError) Error() string {
 func (w *wrappedError) WrappedErrors() []error {
 	return []error{w.Outer, w.Inner}
 }
+
+func (w *wrappedError) Unwrap() error {
+	return w.Inner
+}