Update git submodules

* Update helpcontent2 from branch 'master'
  to 02f148c4a8486dcb0ceb2d2d4891a19e132821a0
  - tdf#140395 Update font effect screenshot in Help page
    
    Change-Id: I1ee93b072ccdf750147bb44dac27e9233edaae49
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/124893
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    
diff --git a/helpcontent2 b/helpcontent2
index 3b8dedf..02f148c 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 3b8dedffddfa520de8801845a360727da3b4c698
Subproject commit 02f148c4a8486dcb0ceb2d2d4891a19e132821a0