build(deps-dev): update mypy requirement from <3,>=2.3.1 to >=2.4.0,<3

Updates the requirements on [mypy](https://github.com/python/mypy) to permit the latest version.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v2.3.1...v2.4.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.4.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements/dev-tools.txt

@@ -4,4 +4,4 @@
 ruff==0.16.10
 
 # mypy
-mypy>=2.3.1,<3
+mypy>=2.4.0,<3