build(deps): bump textual from 0.39.0 to 0.40.0

Bumps [textual](https://github.com/Textualize/textual) from 0.39.0 to 0.40.0.
- [Release notes](https://github.com/Textualize/textual/releases)
- [Changelog](https://github.com/Textualize/textual/blob/main/CHANGELOG.md)
- [Commits](Textualize/textual@v0.39.0...v0.40.0)

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

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

requirements.txt

@@ -90,7 +90,7 @@ six==1.16.0
     # via python-dateutil
 structlog==23.2.0
     # via bowtie-json-schema (pyproject.toml)
-textual==0.39.0
+textual==0.40.0
     # via trogon
 tree-sitter==0.20.2
     # via