Update freezegun requirement from <1.3 to <1.4

Updates the requirements on [freezegun](https://github.com/spulec/freezegun) to permit the latest version.
- [Release notes](https://github.com/spulec/freezegun/releases)
- [Changelog](https://github.com/spulec/freezegun/blob/master/CHANGELOG)
- [Commits](spulec/freezegun@0.1.2...1.3.0)

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

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

pyproject.toml

@@ -74,7 +74,7 @@ release = [
 ]
 test = [
   "coverage<8",
-  "freezegun<1.3",
+  "freezegun<1.4",
   "pytest<8",
 ]
 [tool.setuptools]