build(deps): bump discord-py from 2.6.2 to 2.6.3

Bumps [discord-py](https://github.com/Rapptz/discord.py) from 2.6.2 to 2.6.3.
- [Commits](Rapptz/discord.py@v2.6.2...v2.6.3)

---
updated-dependencies:
- dependency-name: discord-py
  dependency-version: 2.6.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -14,7 +14,7 @@ dependencies = [
     "pandas==2.3.2",
     "matplotlib==3.10.5",
     "openai==1.102.0",
-    "discord.py==2.6.2",
+    "discord.py==2.6.3",
     "misskey.py==4.1.0",
     "websockets==15.0.1",
     "flask==3.1.2",