Update git submodules

* Update helpcontent2 from branch 'master'
  to cc8821b42714d2b2856dad4b569e9337e5cfe014
  - Fix typo
    
    Change-Id: I9ee453c0ca7c2bb990e024a4881ef7940d2df35c
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/129309
    Tested-by: Jenkins
    Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
    
diff --git a/helpcontent2 b/helpcontent2
index 2f31e88..cc8821b 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 2f31e889de0278a2b90525428389ab7d6af15314
Subproject commit cc8821b42714d2b2856dad4b569e9337e5cfe014