[MacPorts] #41790: Replace texi2html @5.0_1 with texinfo @5.2

[MacPorts]

#41790: Replace texi2html @5.0_1 with texinfo @5.2
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  Reporter:  larryv@…                            |      Owner:  macports-
      Type:  enhancement                         |  tickets@…
  Priority:  Normal                              |     Status:  new
 Component:  ports                               |  Milestone:
Resolution:                                      |    Version:
      Port:  gnustep-make-docs gauche-c-wrapper  |   Keywords:
  ffmpeg ffmpeg-devel pTeX lilypond lilypond-    |
  devel                                          |
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Comment (by devans@…):

 Reply from ffmpeg is [https://trac.ffmpeg.org/ticket/3232#comment:2 here]
 citing scarcity of texi2any in distributions.

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Ticket URL: <https://trac.macports.org/ticket/41790#comment:6>
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