Update pytest requirement from ~=8.3.5 to >=8.3.5,<8.5.0

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.5...8.4.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ Changelog = "https://github.com/binary-butterfly/xml2python/blob/main/CHANGELOG.
 [project.optional-dependencies]
 testing = [
     "ruff~=0.11.10",
-    "pytest~=8.3.5",
+    "pytest>=8.3.5,<8.5.0",
     "pytest-cov~=6.1.1",
 ]