Update git submodules

* Update docs/submodules/vnfrqts/requirements.git from branch 'master'
  to c881fe779e0500255f6c19fc7aa1055eb1ecb961
  - Merge "Fixed PublishEventBatch diagram in VES spec"
  - Fixed PublishEventBatch diagram in VES spec
    
    Since we no longer have the source images, I've
    converted them to either diagrams generated
    from Sphinx plugins or simple text representations.
    
    Issue-ID: VNFRQTS-862
    Signed-off-by: Lovett, Trevor <trevor.lovett@att.com>
    Change-Id: Iafd346336ca8b5cec71bbeee9fad825da2a5d0bf
    
1 file changed