Update git submodules

* Update helpcontent2 from branch 'master'
  to 69896de636113d0bae2b1c44316f2c50b643f524
  - fix typo in explanation of regular expression example
    
    Change-Id: I35103839b29ea98ee0295dbbe71712b9c041a807
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/86816
    Tested-by: Jenkins
    Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
    
diff --git a/helpcontent2 b/helpcontent2
index 5a44291..69896de 160000
--- a/helpcontent2
+++ b/helpcontent2
@@ -1 +1 @@
Subproject commit 5a44291fac8fe16731bf0dff05ed40ae582f3461
Subproject commit 69896de636113d0bae2b1c44316f2c50b643f524