Update git submodules

• Update extensions/Cite from branch 'REL1_34' to db87fdc6ceb204e0d647802efb019afeb8b612c7
  • Fix broken reference list numbering in Firefox
    
    Same as Ib6e9de6.
    
    We must reset the build-in "list-item" counter to make this code behave sane in Firefox. It looks like this is even described in the CSS spec and it is not Firefox having a bug, but Chrome being "clever" and not following the spec.
    
    Bug: T229307 Change-Id: I955786e2b68d087c819a962ded3c571946c61f78 (cherry picked from commit d18c0871a8dfe80b20c70c2121bfadbbe99013fa)