Update git submodules

* Update helpcontent2 from branch 'master'
  - i#119731 help-page: Hyperlink control on Dialog editor
    
    The image used for Insert Hyperlink control is
    cmd/sc_inserthyperlink.png as proposed in description.
    
    Change-Id: Ife79e16ea04498b1496629f398e42da67ec72448
    Reviewed-on: https://gerrit.libreoffice.org/68952
    Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    

helpcontent2 @ 496aaf8c

-Subproject commit 54e3236790baca8a55d0bea3b1dd3e8de5ec5dd5
+Subproject commit 496aaf8cbcd030c1ddfbc3776c23edd08307b96e