fix: update required_providers syntax

We no longer need terraform v0.12 compatibility, update syntax to
appease tflint.

Author: João Taveira Araújo

examples/cloudtrail/versions.tf

@@ -2,8 +2,14 @@ terraform {
   required_version = ">= 1.1.0"
 
   required_providers {
-    aws    = ">= 2.68"
-    random = ">= 3.0.0"
-    local  = ">= 2.0.0"
+    aws = {
+      version = ">= 2.68"
+    }
+    random = {
+      version = ">= 3.0.0"
+    }
+    local = {
+      version = ">= 2.0.0"
+    }
   }
 }

examples/s3_access_logs/versions.tf

@@ -2,7 +2,11 @@ terraform {
   required_version = ">= 1.1.0"
 
   required_providers {
-    aws    = ">= 3.75"
-    random = ">= 3.0.0"
+    aws = {
+      version = ">= 3.75"
+    }
+    random = {
+      version = ">= 3.0.0"
+    }
   }
 }

examples/s3_bucket/versions.tf

@@ -2,7 +2,11 @@ terraform {
   required_version = ">= 1.1.0"
 
   required_providers {
-    aws    = ">= 4.9"
-    random = ">= 3.0.0"
+    aws = {
+      version = ">= 4.9"
+    }
+    random = {
+      version = ">= 3.0.0"
+    }
   }
 }

examples/vpc_config/versions.tf

@@ -2,7 +2,12 @@ terraform {
   required_version = ">= 1.1.0"
 
   required_providers {
-    aws    = ">= 3.75"
-    random = ">= 3.0.0"
+    aws = {
+      version = ">= 3.75"
+    }
+    random = {
+      version = ">= 3.0.0"
+    }
+
   }
 }

versions.tf

@@ -2,6 +2,8 @@ terraform {
   required_version = ">= 1.1.0"
 
   required_providers {
-    aws = ">= 2.68"
+    aws = {
+      version = ">= 2.68"
+    }
   }
 }