fix teraform version

Author: Mamraj Yadav

_example/memcached/versions.tf

@@ -0,0 +1,11 @@
+# Terraform version
+terraform {
+  required_version = ">= 0.14.11"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 3.1.15"
+    }
+  }
+}

_example/redis-cluster/versions.tf

@@ -0,0 +1,11 @@
+# Terraform version
+terraform {
+  required_version = ">= 0.14.11"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 3.1.15"
+    }
+  }
+}

_example/redis/versions.tf

@@ -0,0 +1,11 @@
+# Terraform version
+terraform {
+  required_version = ">= 0.14.11"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 3.1.15"
+    }
+  }
+}

versions.tf

@@ -1,6 +1,6 @@
 # Terraform version
 terraform {
-  required_version = ">= 0.12.0"
+  required_version = ">= 0.14.11"
 
   required_providers {
     aws = {