Update git submodules

* Update helpcontent2 from branch 'libreoffice-6-2'
  - Fixes in Help page after translators review
    
    Change-Id: I8ad08be0881d10bbe3ca8eac4647118cf5d4fa18
    Reviewed-on: https://gerrit.libreoffice.org/64807
    Tested-by: Jenkins
    Reviewed-by: Eike Rathke <erack@redhat.com>
    
diff --git a/helpcontent2 b/helpcontent2
index 3c7795c..d08d1c4 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 3c7795ce8bfeecf72bc7d6630bcd9c4d0f08ac28
Subproject commit d08d1c486558d6c113863d579f89e1faf8d89572