Update git submodules

* Update helpcontent2 from branch 'master'
  to 8d418b9c58e89f1e1bb98ada13370c31e5b7afa2
  - tdf#132643 Translate German section IDs
    
    Change-Id: I588afd634bc5ff443a722561c5577f8d683ad11b
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/112608
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index 23230b3..8d418b9 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 23230b3198e341db72ae7183a2aa328f39a63cc8
Subproject commit 8d418b9c58e89f1e1bb98ada13370c31e5b7afa2