Update pytest requirement from <7.3.0 to <7.4.0

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@1.0.0b3...7.3.0)

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

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

Author: dependabot[bot]

setup.py

@@ -55,6 +55,6 @@
     ],
     zip_safe=True,
     setup_requires=PYTEST_RUNNER,
-    tests_require=["pytest < 7.3.0"],
+    tests_require=["pytest < 7.4.0"],
     test_suite="tests",
 )

test-requirements.txt

@@ -1,4 +1,4 @@
-pytest < 7.3.0
+pytest < 7.4.0
 pytest-runner
 pytest-cov
 pytest-xdist