Bump pytest-cov from 3.0.0 to 4.1.0 (#485)

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

Author: dependabot[bot]

requirements.txt

@@ -11,7 +11,7 @@ multidict==6.0.2
 pygments==2.16.1
 pytest==7.1.1
 pytest-aiohttp==1.0.4
-pytest-cov==3.0.0
+pytest-cov==4.1.0
 pytest-sugar==0.9.4
 pytest-timeout==2.1.0
 typing_extensions>=3.8; python_version<"3.8"