Update git submodules

* Update helpcontent2 from branch 'master'
  to dc2b016f2014208b27f7af5ad33863b6bd0d760b
  - remove *.google.com and *.googleapis.com from Content-Security-Policy
    
    These are obsolete, since search is based on xapian-omega not on google search
    
    Change-Id: I1858a3118f6b4778266c4a3d2a6559866ce8cb09
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/94257
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index 56f9412..dc2b016 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 56f9412fc9b447cf1035b0efcab621c41d5dcc32
Subproject commit dc2b016f2014208b27f7af5ad33863b6bd0d760b