fix error with sending responses

BookHive/Endpoints/Authors/CreateAuthorEndpoint.cs

@@ -16,6 +16,6 @@ public class CreateAuthorEndpoint(AuthorRepository authorRepository, AutoMapper.
     public override async Task HandleAsync(CreateAuthorDto req, CancellationToken ct)
     {
         await authorRepository.AddAsync(mapper.Map<Author>(req), ct);
-        await Send.OkAsync(cancellation: ct);
+        await Send.NoContentAsync(ct);
     }
 }

BookHive/Endpoints/Authors/DeleteAuthorEndpoint.cs

@@ -35,6 +35,6 @@ public class DeleteAuthorEndpoint(AuthorRepository authorRepository) : Endpoint<
         }
         
         await authorRepository.DeleteAsync(author, ct);
-        await Send.OkAsync(cancellation: ct);
+        await Send.NoContentAsync(ct);;
     }
 }

BookHive/Endpoints/Authors/UpdateAuthorEndpoint.cs

@@ -25,6 +25,6 @@ public class UpdateAuthorEndpoint(AuthorRepository authorRepository, AutoMapper.
         
         mapper.Map(req, author);
         await authorRepository.SaveChangesAsync(ct);
-        await Send.OkAsync(cancellation: ct);
+        await Send.NoContentAsync(ct);
     }
 }