Update git submodules

* Update helpcontent2 from branch 'libreoffice-6-4'
  - related topics section title miss
    
    + related topics legibility improvement in compatible.xhp
    Change-Id: I59ce332560d99b949f180cd37cfd61c40d9ff3f9
    Reviewed-on: https://gerrit.libreoffice.org/83981
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    (cherry picked from commit d17d3ef38a781cc8c788b483e128a292ad0e3e4c)
    Reviewed-on: https://gerrit.libreoffice.org/83989
    

1 files changed, 0 insertions, 0 deletions

diff --git a/helpcontent2 b/helpcontent2
-Subproject 07a573b651b1378ba70f8a06b2bbfdc163a96da
+Subproject e281e171eb4c86ebb792f21dbdfaf7a76c220b4