Update git submodules

* Update helpcontent2 from branch 'master'
  to 099f7cea6b2677d9531c9d87ffc62b84c906b7f0
  - tdf#131416 Syntax diagrams
    
    - Erase: syntax + new examples + x-refs
    - Managing flow of control: Do, If, While diagrams
    
    - Basic Syntax Diagrams (WiP) cheatsheet:
      https://wiki.documentfoundation.org/User:LibreOfficiant/BasicSyntax
    
    Change-Id: I68e03ccf8169d59e56f9a2e5b10b4bf09d8b217b
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/93529
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index 73a7c5b..099f7ce 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 73a7c5be28609ed59e995b3b5abd74a635c7aa5d
Subproject commit 099f7cea6b2677d9531c9d87ffc62b84c906b7f0