Upgrade pytest-timeout to 1.4.2 (#39983)

requirements_test.txt

@@ -19,7 +19,7 @@ pytest-aiohttp==0.3.0
 pytest-cov==2.10.1
 pytest-test-groups==1.0.3
 pytest-sugar==0.9.4
-pytest-timeout==1.3.4
+pytest-timeout==1.4.2
 pytest-xdist==1.32.0
 pytest==5.4.3
 requests_mock==1.8.0