Update git submodules

* Update helpcontent2 from branch 'master'
  - Update icon repplacement table (Colibre)
    
    Also, replace all ref of .png to .svg
    
    Change-Id: Ib2c9d0281cb5bfe3e016f69f2879d2fc90f08181
    Reviewed-on: https://gerrit.libreoffice.org/84934
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    

1 files changed, 0 insertions, 0 deletions

diff --git a/helpcontent2 b/helpcontent2
-Subproject 93981b80416b6d71e79dccf36f946a62d6b3da5
+Subproject 8181441922c69303ed327b18bbb31b09f6bea32