multimedia/pipe-viewer: Update to 0.5.0

ChangeLog: https://github.com/trizen/pipe-viewer/blob/0.5.0/Changes

• Fixed the "400 Bad Request" error when playing a video.
• Fixed the support for related videos.
• Fixed the launch of the Gtk3 version on older versions of Perl.
• When there are no non-split URLs available, return split URLs.

PR: 278858
Reported by: DtxdF@disroot.org (maintainer)