Update Dockerfile with correct image and go version

[kwoodson]

Update the Dockerfile to fix the registry.ci URL and bump the go version.

[JoelSpeed]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JoelSpeed

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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.

[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.

[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.

[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.

[openshift-bot]

/retest-required

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

[openshift-ci]

@kwoodson: 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/e2e-libvirt	4e6498a	link	false	/test e2e-libvirt
ci/prow/e2e-vsphere	4e6498a	link	false	/test e2e-vsphere
ci/prow/e2e-vsphere-operator	4e6498a	link	false	/test e2e-vsphere-operator
ci/prow/e2e-vsphere-upgrade	4e6498a	link	false	/test e2e-vsphere-upgrade
ci/prow/e2e-azure	4e6498a	link	false	/test e2e-azure
ci/prow/e2e-gcp-operator	4e6498a	link	false	/test e2e-gcp-operator
ci/prow/e2e-aws-disruptive	4e6498a	link	false	/test e2e-aws-disruptive

Full PR test history. Your PR dashboard.

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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.

[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.

[openshift-bot]

/retest-required

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