Update seastar submodule

* seastar 28fe4214e5...ae8d1c28a2 (3):
  > cross-tree: convert deprecated later() to yield()
  > future: deprecate later(), and add two alternatives
  > reactor: improve lowres_clock, lowres_system_clock granularity
This commit is contained in:
Avi Kivity
2022-01-10 18:06:08 +02:00
committed by Nadav Har'El
parent 7f5ca5bf3f
commit 861cc1d304

Submodule seastar updated: 28fe4214e5...ae8d1c28a2