Update openshift/microshift to 4.17.3 (stable channel)

[praveenkumar]

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[openshift-ci]

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[openshift-ci]

@praveenkumar: 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/integration-crc	8ab5431	link	true	/test integration-crc
ci/prow/e2e-crc	8ab5431	link	true	/test e2e-crc

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