Update git submodules

* Update helpcontent2 from branch 'libreoffice-6-4'
  - Add PDF Export View Page screenshot
    
    Change-Id: I76b4036e5d205a952d369d398db211545621e537
    Reviewed-on: https://gerrit.libreoffice.org/83141
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    (cherry picked from commit f10a2651b6aeb6472821cfe4f02eea2ab3e5ff53)
    Reviewed-on: https://gerrit.libreoffice.org/83500
    

1 files changed, 0 insertions, 0 deletions

diff --git a/helpcontent2 b/helpcontent2
-Subproject ffce3bf3c34c8b6b690b2d9ac95b3c861d0c728
+Subproject 34afe11241012d459b2cb2e98b14f9120aa7188