Bump pytest-cov from 5.0.0 to 6.0.0 (#1386)

requirements/test.txt

@@ -2,7 +2,7 @@ coverage ==7.5.1
 pytest ==8.1.1
 pytest-benchmark ==4.0.0
 pytest-timeout ==2.3.1
-pytest-cov ==5.0.0
+pytest-cov ==6.0.0
 pytest-xdist ==3.6.1
 pytest-random-order ==1.1.1
 pytest-timestamper ==0.0.10