Cosmetic: restore konnectivity-client v0.0.0 to avoid confusion.

[jkh52]

We have a replace directive so the version isn't meaningful.

[k8s-ci-robot]

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[k8s-ci-robot]

@jkh52: 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
pull-apiserver-network-proxy-test-master	21aaa9e	link	true	/test pull-apiserver-network-proxy-test-master
pull-apiserver-network-proxy-docker-build-amd64-master	21aaa9e	link	true	/test pull-apiserver-network-proxy-docker-build-amd64-master
pull-apiserver-network-proxy-docker-build-arm64-master	21aaa9e	link	true	/test pull-apiserver-network-proxy-docker-build-arm64-master

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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