chore(deps): update discord-py requirement in /bots/gsbot

Updates the requirements on [discord-py](https://github.com/Rapptz/discord.py) to permit the latest version.
- [Commits](Rapptz/discord.py@v2.3.2...v2.7.1)

---
updated-dependencies:
- dependency-name: discord-py
  dependency-version: 2.7.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

bots/gsbot/requirements.txt

@@ -1,5 +1,5 @@
 # Discord Bot
-discord.py>=2.3.2
+discord.py>=2.7.1
 python-dotenv>=1.0.0
 
 # Database