[GHC] #13590: Update Cabal submodule to whatever the final Cabal 2.0 release is

[GHC]

#13590: Update Cabal submodule to whatever the final Cabal 2.0 release is
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        Reporter:  ezyang            |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  highest           |            Milestone:  8.2.1
       Component:  libraries         |              Version:  8.2.1-rc2
  (other)                            |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Bumped.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13590#comment:4>
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