Bump emoji from 2.2.0 to 2.8.0

Bumps [emoji](https://github.com/carpedm20/emoji) from 2.2.0 to 2.8.0.
- [Release notes](https://github.com/carpedm20/emoji/releases)
- [Changelog](https://github.com/carpedm20/emoji/blob/master/CHANGES.md)
- [Commits](https://github.com/carpedm20/emoji/compare/v2.2.0...v2.8.0)

---
updated-dependencies:
- dependency-name: emoji
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,7 +1,7 @@
 asyncio==3.4.3
 colorama==0.4.6
 discord.py==2.2.2
-emoji==2.2.0
+emoji==2.8.0
 prettytable==3.6.0
 psutil==5.9.4
 requests==2.28.2