tst_qqmlvaluetypeproviders::date fails in CI

https://codereview.qt-project.org/c/qt/qtdeclarative/+/456938/3#message-5899defda9f87abbaff04a46332e5994b105a377:

  17374: ********* Start testing of tst_qqmlvaluetypeproviders *********
 FAIL!  : tst_qqmlvaluetypeproviders::date() Compared values are not the same
    Actual   (o->property("aDate").value<QDate>().month()): 10
    Expected (9)                                          : 9
    Loc: [/Users/qt/work/qt/qtdeclarative/tests/auto/qml/qqmlvaluetypeproviders/tst_qqmlvaluetypeproviders.cpp(377)]
 Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 13ms

The test: "tst_qqmlvaluetypeproviders::date" has failed.
You can find more information on its history by following the link below.
https://testresults.qt.io/grafana/d/3dhio4K7k/fastcheck?var-testCase=tst_qqmlvaluetypeproviders&var-testFunction=date

Build log: https://testresults.qt.io/logs/qt/qtdeclarative/a0a61c1505ed114834e30e74813e64f37239f7ef/MacOSMacOS_12arm64MacOSMacOS_12arm64Clangqtci-macos-12-arm64TestOnly/f4f1cd1a65491cb223faa15045c04d2274b4cd38/test_1681940186/log.txt.gz

Details: https://testresults.qt.io/coin/integration/qt/qtdeclarative/tasks/1681940097

It only started failing on that integration, apparently, even though the only change being tested was removing unused code in an example.