0.5.0

This is the first release named sopel-github. Previous versions of this plugin
were known as sopel_modules.github, and are still available from PyPI for
users running Sopel 7.x or older.

Added:

• Support for inline references to issues/PRs from any repo (#125)
• Timestamps in issue, PR, and comment output (#126)
• Configurable skipping of short inline issue/PR numbers (#137)
  • This is to help bot owners deal with e.g. people talking about their #1
    something and the bot posts your project's first issue.

Changed:

• Modernized for newer Sopel versions (#110, #138)
• Send version header to GitHub API (#122)
• Reworked PR merge status lookup (#123)

Fixed:

• Handle directory links, not just files (#134)
• Suppress errors for invalid inline issue references (#136)

Removed:

• Obsolete secret setting (#124)

Meta:

• New package name, sopel-github (#138)
• Sopel 8.0+ now required (#138)
• Made optional :emoji_name: conversion a setuptools extra (#120, #140)
  • Install sopel-github[emojize] to enable this feature.