[GHC] #16015: git notes logic breaks CircleCI validation of pull requests

[GHC]

#16015: git notes logic breaks CircleCI validation of pull requests
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           Reporter:  bgamari        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  highest        |         Milestone:  8.6.3
          Component:  Compiler       |           Version:  8.6.2
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Due to missing credentials. David, can you have a look?

 https://circleci.com/gh/ghc/ghc/12493

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16015>
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