Update pytest requirement from <7.1,>=6.1 to >=6.1,<7.2

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@6.1.0...7.1.0)

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

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

setup.py

@@ -39,7 +39,7 @@ def read(*parts):
     'codecov==2.1.*',
     'coverage>=5.3,<6.4',
     'pytest-cov>=2.10,<3.1',
-    'pytest>=6.1,<7.1',
+    'pytest>=6.1,<7.2',
     'pycodestyle>=2.6,<2.9'
 ]