Update git submodules

* Update docs/submodules/appc/deployment.git from branch 'master'
  to 981457eaf23722fe1d0a9d4c79eb716a37359f8a
  - Update version of node base image
    
    Changing the version of the cdt base image to be 13-alpine
    so that we can get updates within the 13 version as they
    become available. This insures we get all security updates.
    
    Change-Id: I514958ca2f9558908b8a74f80d53abb2e5b72911
    Signed-off-by: Patrick Brady <patrick.brady@att.com>
    Issue-ID: APPC-1838
    
1 file changed