Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to a183088f2baaa5d794b8b5f67eceb5f65b7fc318
  - Merge "[DCAEGEN2][dashboard] Use common secret template for postgres credentials"
  - [DCAEGEN2][dashboard] Use common secret template for postgres credentials

    Even through we use common secret template both passwords are still
    hardcoded in common postgres chart but this will be removed as a final
    step just like we did for mariadb-galera.

    Issue-ID: OOM-2250
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: Ic8d8a53093ccdf5f91a26ce9ac2734fe36ccca4f