Update git submodules

* Update helpcontent2 from branch 'master'
  - tdf#119269 Font Features Help page
    
    Change-Id: I72f23c891dda9dda8f7d42b72aa370285abd7a41
    Reviewed-on: https://gerrit.libreoffice.org/63205
    Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    

helpcontent2 @ 05045d18

-Subproject commit 9fb9990b3568c973cc41d5600492e0791e44d40a
+Subproject commit 05045d185907e4f88dbab1f92cfe1477651d1225