Update git submodules
Update git submodules

* Update plugins/replication from branch 'stable-2.16'
  to e0a5b6c5474a7f6af2ace350e16b9adad85c9224
  - PushOne: Don't log refs to push at ERROR level
    
    The log is informational, not an error, so log it at INFO
    level.
    
    Change-Id: Ic16264da744bd3df4f6f28ff2ad82fc6856f98b4
    
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