Update coverage to 7.9.1 (home-assistant#147940)

Author: cdce8p

requirements_test.txt

@@ -8,7 +8,7 @@
 -c homeassistant/package_constraints.txt
 -r requirements_test_pre_commit.txt
 astroid==3.3.10
-coverage==7.8.2
+coverage==7.9.1
 freezegun==1.5.2
 go2rtc-client==0.2.1
 license-expression==30.4.1