[MacPorts] #51568: shellcheck @0.3.8: update to 0.4.6 (was: Update ShellCheck)

[MacPorts]

#51568: shellcheck @0.3.8: update to 0.4.6
-------------------------+------------------------
  Reporter:  sierkb@…    |      Owner:  neverpanic
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  shellcheck  |
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Description changed by l2dy:

Old description:

> Update shellcheck port to the latest upstream release version which is
> 0.4.4.

New description:

 Update shellcheck port to the latest upstream release version which is
 0.4.6.

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Ticket URL: <https://trac.macports.org/ticket/51568#comment:2>
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