fix more ci issues

Author: ndbroadbent

examples/metric_filter_basic/main.tf

@@ -1,14 +1,5 @@
 terraform {
-  required_providers {
-    logstruct = {
-      source  = "DocSpring/logstruct"
-      version = ">= 0.0.3"
-    }
-    aws = {
-      source  = "hashicorp/aws"
-      version = ">= 5.0"
-    }
-  }
+  required_version = ">= 1.3.0"
 }
 
 module "email_delivered_metric" {

examples/subscription_filter_basic/main.tf

@@ -1,14 +1,5 @@
 terraform {
-  required_providers {
-    logstruct = {
-      source  = "DocSpring/logstruct"
-      version = ">= 0.0.3"
-    }
-    aws = {
-      source  = "hashicorp/aws"
-      version = ">= 5.0"
-    }
-  }
+  required_version = ">= 1.3.0"
 }
 
 module "mailer_errors_sub" {