Update git submodules

* Update helpcontent2 from branch 'master'
  to a39ba490a12ab784a2a9d6513f8e27cbf1d9f665
  - Mute l10n in bascode section
    
    Change-Id: Id510273714c15d3d5502be7550a569043a09cade
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/92001
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index abb9f58..a39ba49 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit abb9f587513acabada8d15c59508baefa7196540
Subproject commit a39ba490a12ab784a2a9d6513f8e27cbf1d9f665