Update default releaseimage to 4.11

[jstuever]

This change updates the default release image to use version 4.11.

[openshift-ci]

@jstuever: 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/okd-e2e-aws	debb9c8	link	false	/test okd-e2e-aws
ci/prow/e2e-azure-shared-vpc	debb9c8	link	false	/test e2e-azure-shared-vpc
ci/prow/e2e-gcp-upi-xpn	debb9c8	link	false	/test e2e-gcp-upi-xpn
ci/prow/e2e-openstack	debb9c8	link	false	/test e2e-openstack
ci/prow/e2e-aws-disruptive	debb9c8	link	false	/test e2e-aws-disruptive
ci/prow/e2e-azurestack	debb9c8	link	false	/test e2e-azurestack
ci/prow/e2e-aws-shared-vpc	debb9c8	link	false	/test e2e-aws-shared-vpc
ci/prow/e2e-crc	debb9c8	link	false	/test e2e-crc
ci/prow/e2e-gcp-shared-vpc	debb9c8	link	false	/test e2e-gcp-shared-vpc
ci/prow/e2e-libvirt	debb9c8	link	false	/test e2e-libvirt
ci/prow/e2e-ibmcloud	debb9c8	link	false	/test e2e-ibmcloud
ci/prow/e2e-openstack-proxy	debb9c8	link	false	/test e2e-openstack-proxy
ci/prow/e2e-aws-proxy	debb9c8	link	false	/test e2e-aws-proxy
ci/prow/e2e-openstack-parallel	debb9c8	link	false	/test e2e-openstack-parallel
ci/prow/e2e-aws-workers-rhel8	debb9c8	link	false	/test e2e-aws-workers-rhel8
ci/prow/e2e-metal-ipi-ovn-ipv6	debb9c8	link	false	/test e2e-metal-ipi-ovn-ipv6
ci/prow/e2e-alibaba	debb9c8	link	false	/test e2e-alibaba

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[patrickdillon]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: patrickdillon

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• OWNERS [patrickdillon]

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[openshift-bot]

/retest-required

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest-required

Please review the full test history for this PR and help us cut down flakes.