Switch back continuous to string

Author: maximenoel8

terracumber_config/tf_files/tfvars/build-validation-tfvars/suma_continuous_build_validation_nue.tfvars

@@ -8,13 +8,13 @@ ENVIRONMENT_CONFIGURATION = {
     mac   = "aa:b2:93:01:02:81"
     name  = "server"
     image = "slmicro61o"
-    string_registry = false
+    string_registry = true
   }
   proxy_containerized = {
     mac   = "aa:b2:93:01:02:82"
     name  = "proxy"
     image = "slmicro61o"
-    string_registry = false
+    string_registry = true
   }
   monitoring_server = {
     mac  = "aa:b2:93:01:02:83"