Update git submodules

* Update helpcontent2 from branch 'master'
  to 82b298d6f35e25961a026d848238d29d6b373709
  - tdf#154034  remove xml-lang and use lc_ for icon
    
    Change-Id: I368077b40ed9924ed715a43072d064385b7ae5c5
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/148408
    Reviewed-by: Seth Chaiklin <sdc.blanco@youmail.dk>
    Tested-by: Jenkins
    
diff --git a/helpcontent2 b/helpcontent2
index f205cf12..82b298d 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit f205cf12787f7a601a75a8acd4ddd13b064f686e
Subproject commit 82b298d6f35e25961a026d848238d29d6b373709