chore(deps-dev): bump black from 25.1.0 to 25.12.0 in /discord

Bumps [black](https://github.com/psf/black) from 25.1.0 to 25.12.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.1.0...25.12.0)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 25.12.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

discord/poetry.lock

@@ -14,7 +14,7 @@ alembic = "^1.17.2"
 
 
 [tool.poetry.group.dev.dependencies]
-black = "^25.1.0"
+black = "^25.12.0"
 aiohttp-devtools = "^1.1"
 poethepoet = "^0.38.0"