docs: Update README.md for v35 release

Author: apeabody

README.md

@@ -12,7 +12,7 @@ Sub modules are provided for creating private clusters, beta private clusters, a
 
 ## Compatibility
 
-This module is meant for use with Terraform 1.3+ and tested using Terraform 1.0+.
+This module is meant for use with Terraform 1.3+ and tested using Terraform 1.9+.
 If you find incompatibilities using Terraform `>=1.3`, please open an issue.
 
 If you haven't [upgraded to 1.3][terraform-1.3-upgrade] and need a Terraform
@@ -391,7 +391,7 @@ The [project factory](https://github.com/terraform-google-modules/terraform-goog
 - [kubectl](https://github.com/kubernetes/kubernetes/releases) 1.9.x
 #### Terraform and Plugins
 - [Terraform](https://www.terraform.io/downloads.html) 1.3+
-- [Terraform Provider for GCP][terraform-provider-google] v5.9+
+- [Terraform Provider for GCP][terraform-provider-google] v6.11+
 #### gcloud
 Some submodules use the [terraform-google-gcloud](https://github.com/terraform-google-modules/terraform-google-gcloud) module. By default, this module assumes you already have gcloud installed in your $PATH.
 See the [module](https://github.com/terraform-google-modules/terraform-google-gcloud#downloading) documentation for more information.