[submodule] update sonic-sairedis (#6609)

This update includes the following changes

  > [syncd armhf] Fix syncd crash when running community test suites (#777)
  > Revert "[tests]:Add unittest for MACsec on p2p establishment (#771)"
  > [tests]:Add unittest for MACsec on p2p establishment (#771)
  > [tests] Enable azure pipeline make check to respect unittests (#760)