Update mypy requirement from ==1.14.* to >=1.14,<1.16

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@v1.14.0...v1.15.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -135,7 +135,7 @@ type = [
 	# pin mypy version so a new version doesn't suddenly cause the CI to fail,
 	# until types-setuptools is removed from typeshed.
 	# For help with static-typing issues, or mypy update, ping @Avasam
-	"mypy==1.14.*",
+	"mypy>=1.14,<1.16",
 	# Typing fixes in version newer than we require at runtime
 	"importlib_metadata>=7.0.2; python_version < '3.10'",
 	# Imported unconditionally in tools/finalize.py