Update git submodules

* Update helpcontent2 from branch 'master'
  to a86b2f1aaaa7b0cceb46e7b6b6c1c58a343b5cb2
  - fix rounding and use Format()  tdf#155654
    
    Change-Id: I8a9643fb9713177eba3bb56e93d26a989ac9f099
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/164677
    Tested-by: Jenkins
    Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
    
diff --git a/helpcontent2 b/helpcontent2
index 3a192b6..a86b2f1 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 3a192b621db3644d50544a64f56ac34909711f92
Subproject commit a86b2f1aaaa7b0cceb46e7b6b6c1c58a343b5cb2