fix: resolve AWS provider version conflicts

Reverted AWS provider version requirement from >= 6.0.0 to >= 5.5.0
to resolve conflicts with infraspecdev/ecs-deployment module that
requires ~> 5.0.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: vjdhama

modules/route-53-record/versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 6.0.0"
+      version = ">= 5.5.0"
     }
   }
 }

versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 6.0.0"
+      version = ">= 5.5.0"
     }
   }
 }