fix(deps): update terraform random to latest for deployable architectures (#590)

Author: terraform-ibm-modules-ops

solutions/standard/version.tf

@@ -13,7 +13,7 @@ terraform {
     }
     random = {
       source  = "hashicorp/random"
-      version = "3.6.3"
+      version = "3.7.1"
     }
   }
 }