fix ga tasks url

[Ximinhan]

No description provided.

[openshift-ci]

@Ximinhan: The following test 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/security	8062c56	link	false	/test security

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[joepvd]

/lgtm
/approve

[openshift-ci]

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This pull-request has been approved by: joepvd

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