feat: correo via banco mail, rol supervisor y lint en cero

frontend/src/app/(app)/tickets/new/page.tsx

@@ -31,8 +31,8 @@ export default function NewTicketPage() {
     try {
       const result = await createTicket({ title, description, priority, groupId: Number(groupId) });
       router.push(`/tickets/${result.id}`);
-    } catch (err: any) {
-      setError(err.message || "Error al crear el ticket");
+    } catch (err: unknown) {
+      setError(err instanceof Error ? err.message : "Error al crear el ticket");
     } finally {
       setLoading(false);
     }