[MacPorts] #42825: Update libtasn1 to @3.4

[MacPorts]

#42825: Update libtasn1 to @3.4
-----------------------------+----------------------
  Reporter:  mschamschula@…  |      Owner:  sfiera@…
      Type:  update          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  haspatch
      Port:  libtasn1        |
-----------------------------+----------------------
Changes (by macsforever2000@…):

 * keywords:   => haspatch
 * cc: sfiera@… (removed)
 * version:  2.2.1 =>
 * owner:  macports-tickets@… => sfiera@…


Comment:

 The {{{sha1}}} checksum should be replaced by a {{{sha256}}} checksum.

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Ticket URL: <https://trac.macports.org/ticket/42825#comment:1>
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