Fix useast1 provider

* Use `configuration_aliases` to allow the provider to be configured
  in the parent and passed through to the module

Author: Stretch96

versions.tf

@@ -1,6 +1,9 @@
 terraform {
   required_version = ">= 1.1.7"
   required_providers {
-    aws = "~> 4.4"
+    aws = {
+      version               = "~> 4.4"
+      configuration_aliases = [aws.useast1]
+    }
   }
 }