Merge pull request #192 from snypy/dependabot/pip/pytest-cov-gte-4.1.0-and-lt-6.1

Update pytest-cov requirement from <5.1,>=4.1.0 to >=4.1.0,<6.1

Author: nezhar

requirements/test.txt

@@ -2,4 +2,4 @@
 
 django-linear-migrations>=2.8.0,<2.17
 pytest-django>=4.5.2,<4.10
-pytest-cov>=4.1.0,<5.1
+pytest-cov>=4.1.0,<6.1