Bug 1652977 [wpt PR 24605] - Update psutil to 5.7.2, a=testonly

Automatic update from web-platform-tests
Update psutil from 5.7.0 to 5.7.2 (#24605)

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wpt-commits: 00b7aebbbca60116d196a113fdb7799a99bfa391
wpt-pr: 24605

testing/web-platform/tests/tools/wptrunner/requirements_firefox.txt

@@ -7,4 +7,4 @@ mozprocess==1.0.0
 mozprofile==2.5.0
 mozrunner==8.0.0
 mozversion==2.3.0
-psutil==5.7.0
+psutil==5.7.2