Update git submodules
Update git submodules

* Update plugins/replication from branch 'stable-3.0'
  to b80b7176b0a18024c946d056f29e90b497e44420
  - Merge branch 'stable-2.16' into stable-3.0
    
    * stable-2.16:
      Make sure to always remove in-flight pushes
    
    Change-Id: I574e150181d4cc63c8ebf6371b05093ee569c093
    
  - Make sure to always remove in-flight pushes
    
    When a push is finished successfully or fails due to an error we have to
    remove it from the map of in-flight pushes. Although this was done from
    a finally block, the same block performed a Repository.close() operation
    prior to the in-flight push removal. If the Repository.close() threw an
    exception the pool.notifyFinished() wouldn't be called and we would end
    up with a zombie in-flight push.
    
    Bug: Issue 10852
    Change-Id: I8d5918d5271ba74ce12153f054503adaef155c5c
    
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