Fix field type definition

References #7743

(cherry picked from commit 4a669e1)
(cherry picked from commit d9739b2)

Author: acogoluegnes

deps/rabbitmq_stream/src/rabbit_stream_reader.erl

@@ -95,7 +95,7 @@
          outstanding_requests :: #{integer() => #request{}},
          deliver_version :: rabbit_stream_core:command_version(),
          request_timeout :: pos_integer(),
-         outstanding_requests_timer :: undefined | timer:tref()}).
+         outstanding_requests_timer :: undefined | erlang:reference()}).
 -record(configuration,
         {initial_credits :: integer(),
          credits_required_for_unblocking :: integer(),