Update pytest requirement from <8.1.0,>=7.4.4 to >=7.4.4,<8.4.0 (#17)

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@7.4.4...8.3.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

setup.py

@@ -28,7 +28,7 @@
     ],
     extras_require = {
         'dev': [
-            'pytest>=7.4.4,<8.1.0',
+            'pytest>=7.4.4,<8.4.0',
             'pytest-cov~=4.1.0',
             'requests-mock~=1.11.0',
             'setuptools>=69.0.3',