Update git submodules

* Update helpcontent2 from branch 'libreoffice-6-3'
  - tdf#125645 Fix reference in SWITCH function help page
    
    Change-Id: I34cd365829187ea29fd45c43aa08d0b6a3cfdd4d
    Reviewed-on: https://gerrit.libreoffice.org/73352
    Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    (cherry picked from commit 3e4a49f5e61c535044538a23eaf7a6b222a7c57a)
    Reviewed-on: https://gerrit.libreoffice.org/73361Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
    

helpcontent2 @ 4b1d391b

-Subproject commit 38cf025fa9e3766f5f86b0d307899d21f7e301fa
+Subproject commit 4b1d391bfa22e1090122c9dec944f60860b6f557