Update git submodules

* Update docs/submodules/dcaegen2.git from branch 'master'
  to 03712a4f1ebfc3ad6467adbac9e47da9bb094d7c
  - Update swagger files(version) in rst documentation
    
    Issue-ID: DCAEGEN2-2114
    Signed-off-by: Pawel <pawel.kasperkiewicz@nokia.com>
    Change-Id: Id485609b70a5ccad56659030acf5fa28457c01af
    
1 file changed