Log Message:
textproc/ruby-review: update to 5.8.0

5.8.0 (2023-06-29)

New Features

* The //graph operator allows graphical description in Mermaid notation. See
  doc/format.md for details on prepairing and setting up external tools
  (#1885)

Bug Fixes

* EPUBMaker: fix <title> not being included in the auto-generated part
  content (#1898)

Enhancements

* PDFMaker: fix to wrap long URLs with @<href> operator (#1890)

Contributors

* @munepi