bump-1.9.0

[jpinsonneau]

Bump downstream dockerfile to 1.9.0

[openshift-ci]

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[openshift-ci]

@jpinsonneau: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/plugin-cypress	7676f4d	link	true	/test plugin-cypress
ci/prow/qe-e2e-console-tests	7676f4d	link	false	/test qe-e2e-console-tests

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