l10n: sv.po: Update Swedish translation

[jiangxin]

This pull request fixes the wrong "Signed-off-by" signature in pull request #784 . @nafmo

Difference between c1a1a78 and c28545a.

$ git range-diff c1a1a787b6~..c1a1a787b6 c28545a6e2~..c28545a6e2

1:  c1a1a787b6 ! 1:  c28545a6e2 l10n: sv.po: Update Swedish translation
    @@ Metadata
      ## Commit message ##
         l10n: sv.po: Update Swedish translation
     
    -    Signed-Off-by: Peter Krefting <[email protected]>
    +    Signed-off-by: Peter Krefting <[email protected]>
     
      ## po/sv.po ##
     @@

[github-actions]

Warnings found by git-po-helper in workflow #765:

------------------------------------------------------------------------------
INFO [po/sv.po@c28545a]	5734 translated messages. 
------------------------------------------------------------------------------
WARNING commit c28545a: author (Peter Krefting <[email protected]>) and committer (Jiang Xin <[email protected]>) are different 
INFO checking commits: 1 passed.                  
------------------------------------------------------------------------------
INFO downloading pot file from https://github.com/git-l10n/pot-changes/raw/pot/master/po/git.pot