Update git submodules

* Update docs/submodules/vnfrqts/requirements.git from branch 'master'
  to 73e0fa50c26ab4c59abaf83243621c58e6b29b35
  - Merge "VNFRQTS - adding the tox needs for requirement json generation"
  - VNFRQTS - adding the tox needs for requirement json generation
    
    Issue-ID: VNFRQTS-872
    
    Signed-off-by: Hagop Bozawglanian <hagop.bozawglanian@att.com>
    Change-Id: Icdebd10c7097b4c2c267858d7dfd062062548711
    
1 file changed