fix: missing GHES URL for the retry lambda (philips-labs#4177)

The environment variable for the retry lambads is not set due to missing
to pass the value to the inner terraform module. This fix remedies that.

Co-authored-by: Kai Liu <kai.liu@bmw.de>

modules/runners/job-retry.tf

@@ -26,6 +26,7 @@ locals {
     github_app_parameters       = var.github_app_parameters
     enable_organization_runners = var.enable_organization_runners
     sqs_build_queue             = var.sqs_build_queue
+    ghes_url                    = var.ghes_url
   }
 }