Update git submodules
Update git submodules

* Update plugins/lfs from branch 'stable-2.16_WD'
  - GER-1319: Updated LfsDateTimeTest
    
    Fixed issue in failing test
    
    DateFormatter was created with no zone set causing a null pointer during
    the test.
    
    Change-Id: I960da9daf714efa930e92bbe3b109dafb350ed1b
    
WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit