chore: bump attrs from 25.3.0 to 25.4.0 (#621)

Bumps [attrs](https://github.com/sponsors/hynek) from 25.3.0 to 25.4.0.
- [Commits](https://github.com/sponsors/hynek/commits)

---
updated-dependencies:
- dependency-name: attrs
  dependency-version: 25.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -3,7 +3,7 @@ discord-py-interactions[speedup]==5.15.0
 tansy==0.9.2
 humanize==4.13.0
 aiodns==3.5.0
-attrs==25.3.0
+attrs==25.4.0
 pydantic==2.11.7
 git+https://github.com/MarkusSintonen/httpcore.git@e724565270603a72d11f6d3bfc09671ffcfe36f2
 httpx[http2]==0.28.1