Update git submodules

* Update helpcontent2 from branch 'master'
  to 937d0e7439564f46f8627032314878a6fefbd195
  - tdf#132643 Translate German section IDs
    
    Change-Id: I28cd7d852ed5260811f6388904c5b658be89b5d0
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/124522
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index d267338..937d0e7 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit d267338da14c3d505dcb2245e4fd4501b3351963
Subproject commit 937d0e7439564f46f8627032314878a6fefbd195