Update git submodules

* Update helpcontent2 from branch 'master'
  to 761a64f3ca3e8f66c711bcadaa8c5ced105a99cd
  - fix row/column type of labels in description of their recognizing
    
    Change-Id: I4b9dcd95b432aea717eeb017fc94fa02a3bc84d5
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/167247
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index 3bc0152..761a64f 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 3bc0152a9ce77d7ac1c27331cc176cd80af96692
Subproject commit 761a64f3ca3e8f66c711bcadaa8c5ced105a99cd