chore: upgrade remote-state to v2.0.0

Upgrade cloudposse/stack-config/yaml//modules/remote-state from v1.x to v2.0.0.
This enables compatibility with cloudposse/utils provider v2.x.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Benbentwo

src/remote-state.tf

@@ -1,6 +1,6 @@
 module "datadog-integration" {
   source  = "cloudposse/stack-config/yaml//modules/remote-state"
-  version = "1.8.0"
+  version = "2.0.0"
 
   component = "datadog-integration"