[upstream] Update name in kubernetes/test-infra

[gaocegege]

https://github.com/kubernetes/test-infra/blob/master/prow/config.yaml#L105

/cc @YujiOshima

[gaocegege]

/priority p0

[gaocegege]

/assign @gaocegege

[gaocegege]

ref kubernetes/test-infra#7802

[gaocegege]

Closed by kubernetes/test-infra#7802