[InterNetNews/inn] d73e84: Upgrade Libtool from 2.4.6 to 2.4.7

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: d73e846f155d437f04a85816b0ddbcb4e0a24f32
      https://github.com/InterNetNews/inn/commit/d73e846f155d437f04a85816b0ddbcb4e0a24f32
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-05-03 (Tue, 03 May 2022)

  Changed paths:
    M m4/libtool.m4
    M m4/ltoptions.m4
    M m4/ltsugar.m4
    M m4/ltversion.m4
    M m4/lt~obsolete.m4
    M support/ltmain.sh

  Log Message:
  -----------
  Upgrade Libtool from 2.4.6 to 2.4.7