Sync recommended versions of Terraform providers for clouds

* Align Terraform provider plugin versions with those tested against

docs/cl/aws.md

@@ -49,7 +49,7 @@ Configure the AWS provider to use your access key credentials in a `providers.tf
 
 ```tf
 provider "aws" {
-  version                 = "2.23.0"
+  version                 = "2.25.0"
   region                  = "eu-central-1"
   shared_credentials_file = "/home/user/.config/aws/credentials"
 }

docs/cl/azure.md

@@ -50,7 +50,7 @@ Configure the Azure provider in a `providers.tf` file.
 
 ```tf
 provider "azurerm" {
-  version = "1.32.1"
+  version = "1.33.0"
 }
 
 provider "ct" {

docs/cl/digital-ocean.md

@@ -50,7 +50,7 @@ Configure the DigitalOcean provider to use your token in a `providers.tf` file.
 
 ```tf
 provider "digitalocean" {
-  version = "1.6.0"
+  version = "1.7.0"
   token = "${chomp(file("~/.config/digital-ocean/token"))}"
 }
 

docs/cl/google-cloud.md

@@ -49,7 +49,7 @@ Configure the Google Cloud provider to use your service account key, project-id,
 
 ```tf
 provider "google" {
-  version     = "2.12.0"
+  version     = "2.13.0"
   project     = "project-id"
   region      = "us-central1"
   credentials = "${file("~/.config/google-cloud/terraform.json")}"

docs/fedora-coreos/aws.md

@@ -52,7 +52,7 @@ Configure the AWS provider to use your access key credentials in a `providers.tf
 
 ```tf
 provider "aws" {
-  version                 = "2.23.0"
+  version                 = "2.25.0"
   region                  = "us-east-1"   # MUST be us-east-1 right now!
   shared_credentials_file = "/home/user/.config/aws/credentials"
 }