Bump textual from 3.1.0 to 6.1.0

Bumps [textual](https://github.com/Textualize/textual) from 3.1.0 to 6.1.0.
- [Release notes](https://github.com/Textualize/textual/releases)
- [Changelog](https://github.com/Textualize/textual/blob/main/CHANGELOG.md)
- [Commits](Textualize/textual@v3.1.0...v6.1.0)

---
updated-dependencies:
- dependency-name: textual
  dependency-version: 6.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -17,7 +17,7 @@ classifiers = [
 module = "edit_python_pe"
 dependencies = [
     "pygit2==1.17.0",
-    "textual==3.1.0",
+    "textual==6.1.0",
     "pygithub==2.6.1",
     "pyyaml==6.0.2",
     "platformdirs==4.3.7",