Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to a71813fd697298b9a9bddea6eacc9de5fada2de0
  - Merge "SOL003 Adapter Package Management - Subscribe Fix"
  - SOL003 Adapter Package Management - Subscribe Fix
    
    Change-Id: I9580ba5cf2bd023d2c160388cd2115c710d6e95b
    Issue-ID: SO-2417
    Signed-off-by: rope252 <gareth.roper@est.tech>
    
1 file changed