Bump discord-py from 2.3.0 to 2.3.1 (#65)

Bumps [discord-py](https://github.com/Rapptz/discord.py) from 2.3.0 to 2.3.1.
- [Commits](Rapptz/discord.py@v2.3.0...v2.3.1)

---
updated-dependencies:
- dependency-name: discord-py
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -14,7 +14,7 @@ humanize = "^4.6.0"
 parsedatetime = "^2.6"
 aiohttp = "^3.8.4"
 gidgethub = "^5.3.0"
-"discord.py" = "^2.3.0"
+"discord.py" = "^2.3.1"
 
 [tool.poetry.dev-dependencies]