fix: Prefer /client_sessions/get_or_create (#286)

Author: razor-x

src/seam-connect/client.ts

@@ -162,8 +162,8 @@ Use something with sufficient entropy known only to the owner of the client sess
     })
 
     return makeRequest(client, {
-      method: "PUT",
-      url: "/client_sessions/create",
+      method: "POST",
+      url: "/client_sessions/get_or_create",
       data: { user_identifier_key: options.userIdentifierKey },
     })
   }

src/seam-connect/routes.ts

@@ -554,8 +554,8 @@ export abstract class Routes {
       this.makeRequestAndFormat<ClientSessionsGetOrCreateResponse>(
         "client_session",
         {
-          url: "/client_sessions/create",
-          method: "PUT",
+          url: "/client_sessions/get_or_create",
+          method: "POST",
           data,
         }
       ),