Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 59eebbf3cb31d01345d973098a73a866b1d08466
  - Document OJSI-106 vulnerability
    
    Issue-ID: OJSI-106
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: I549009cf3c313b0f5307b99ce22b56243e933f8f
    
1 file changed