Update git submodules

* Update helpcontent2 from branch 'master'
  - tdf#115254 Some branch bookmarks are not working 8
    
    module sw s-
    
    Change-Id: I8a8c40c6506f57caeb6de2d55181b4af91a28fce
    Reviewed-on: https://gerrit.libreoffice.org/58027
    Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    

helpcontent2 @ 96108c11

-Subproject commit 3fb1fda6051fafe343fde842a344192dbc5abe99
+Subproject commit 96108c1112300ab09d5e0632fe66cdf996d4443f