[MacPorts] #56296: update pdb2pqr to 2.1.1 release

[MacPorts]

#56296: update pdb2pqr to 2.1.1 release
------------------------+---------------------------------
  Reporter:  jwhowarth  |      Owner:  (none)
      Type:  update     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  haspatch maintainer
      Port:  pdb2pqr    |
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Changes (by mf2k):

 * keywords:  science => haspatch maintainer


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Ticket URL: <https://trac.macports.org/ticket/56296#comment:1>
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