chore(deps): update rich requirement from ==13.9.* to ==14.0.*

Updates the requirements on [rich](https://github.com/Textualize/rich) to permit the latest version.
- [Release notes](https://github.com/Textualize/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](Textualize/rich@v13.9.0...v14.0.0)

---
updated-dependencies:
- dependency-name: rich
  dependency-version: 14.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Diff for: requirements-testing.txt

@@ -8,7 +8,7 @@ pytest ~= 8.3
 pytest-cov == 6.0.*
 pytest-timeout == 2.3.*
 pytest-xdist == 3.6.*
-rich == 13.9.*
+rich == 14.0.*
 types-python-dateutil ~= 2.9
 mypy ~= 1.15
 types-requests ~= 2.31; python_version < "3.10"