Update examples/complete/versions.tf

Co-authored-by: Veronika Gnilitska <30597968+gberenice@users.noreply.github.com>

Author: westonplatter

examples/complete/versions.tf

@@ -1,7 +1,7 @@
 # complete/versions.tf
 
 terraform {
-  required_version = "~> 1"
+  required_version = ">= 1"
   required_providers {
     postgresql = {
       source  = "cyrilgdn/postgresql"