fix: json logging

[a7i]

Issue initially reported in Slack [ref]. I noticed that the issue also persists in other projects (e.g. cluster-autsocaler) so perhaps something got changed in kubernetes/kubernetes with base-component

I followed the example from https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/component-base/logs/example/cmd/logger.go

Now onto testing. running locally to just simulate logs...

before (just hangs):

❯ timeout 10s go run cmd/descheduler/descheduler.go --logging-format=json
❯ echo $?
124

after:

❯ go run cmd/descheduler/descheduler.go --logging-format=json
{"ts":1700705698832.446,"caller":"server/secure_serving.go:57","msg":"Forcing use of http/1.1 only\n","v":0}
{"ts":1700705698832.9558,"caller":"server/secure_serving.go:213","msg":"Serving securely on [::]:10258\n","v":0}
{"ts":1700705698833.088,"caller":"dynamiccertificates/tlsconfig.go:240","msg":"Starting DynamicServingCertificateController","v":0}
{"ts":1700705698833.113,"caller":"app/server.go:93","msg":"descheduler server","err":"unable to build in cluster config: unable to load in-cluster configuration, KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT must be defined"}
{"ts":1700705698833.158,"caller":"dynamiccertificates/tlsconfig.go:255","msg":"Shutting down DynamicServingCertificateController","v":0}
{"ts":1700705698833.206,"caller":"cli/run.go:74","msg":"command failed","err":"unable to build in cluster config: unable to load in-cluster configuration, KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT must be defined"}
{"ts":1700705698833.217,"caller":"server/secure_serving.go:258","msg":"Stopped listening on [::]:10258\n","v":0}
exit status 1

[knelasevero]

/approve /lgtm

[k8s-ci-robot]

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[grzesuav]

@a7i as it is merged, can you perform a fix release ?