WS-649: send CARTA URL to workspaces system

The mock messaging system being inoperable, these mods can be "tested" only by running CARTA Envoy on dev, which I will do following merge.

apps/cli/executables/pexable/carta_envoy/carta_envoy/connect.py

@@ -309,7 +309,7 @@ class WorkflowConnect:
         self.settings = settings
         self.url = settings["workflow_url"]
 
-    def send_carta_url_to_rh(self, wrapper_url: str):
+    def send_carta_url_to_ws(self, wrapper_url: str):
         """
         Makes REST call to send message containing CARTA URL to workspaces system
         :return: