Bump textual from 0.85.2 to 0.87.1

Bumps [textual](https://github.com/Textualize/textual) from 0.85.2 to 0.87.1.
- [Release notes](https://github.com/Textualize/textual/releases)
- [Changelog](https://github.com/Textualize/textual/blob/main/CHANGELOG.md)
- [Commits](Textualize/textual@v0.85.2...v0.87.1)

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

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

requirements/requirements-direct.txt

@@ -9,6 +9,6 @@ pydub==0.25.1
 pyobjc==10.3.1; sys_platform=="darwin"
 rich==13.9.4
 simpleaudio==1.0.4; sys_platform=="darwin"
-textual==0.85.2
+textual==0.87.1
 Twisted==24.10.0
 Whoosh==2.7.4