Update git submodules

* Update helpcontent2 from branch 'master'
  - Fix ahelps on Base View menu page
    
    Add missing bookmarks and remove unneeded ahelp
    
    Change-Id: I22c73e85869ffcdac235d740230f951c40d0503b
    Reviewed-on: https://gerrit.libreoffice.org/74475
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index ae70eaf..3d96bec 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit ae70eaf3dfabeb31fc54d83f91cbd664e602e91c
Subproject commit 3d96bec89634abb41c4bcac89814afd76f30833a