controllers: Use ISO 8601 timestamp format in logs

[Madhu-1]

Use ISO 8601 for better timestamp readability from logs.

we can also use kubectl logs --timestamps=true options for the timestamp.

Ref: RamenDR/ramen#499

fixes #198

without fix

./bin/manager
1.6612317914296057e+09	INFO	controller-runtime.metrics	Metrics server is starting to listen	{"addr": ":8080"}
I0823 10:46:32.570418 1458419 request.go:601] Waited for 1.049527477s due to client-side throttling, not priority and fairness, request: GET:https://192.168.39.26:8443/apis/policy/v1?timeout=32s
1.661231793128033e+09	ERROR	setup	unable to create controller	{"controller": "ReclaimSpaceCronJob", "error": "no matches for kind \"ReclaimSpaceJob\" in version \"csiaddons.openshift.io/v1alpha1\""}
main.main
	/home/mrajanna/workspace/src/github.com/csi-addons/kubernetes-csi-addons/cmd/manager/main.go:130
runtime.main
	/usr/local/go/src/runtime/proc.go:250

with this Fix

./bin/manager
2022-08-23T10:48:39.306+0530	INFO	controller-runtime.metrics	Metrics server is starting to listen	{"addr": ":8080"}
I0823 10:48:40.454459 1460747 request.go:601] Waited for 1.04569822s due to client-side throttling, not priority and fairness, request: GET:https://192.168.39.26:8443/apis/autoscaling/v2beta2?timeout=32s
2022-08-23T10:48:41.006+0530	ERROR	setup	unable to create controller	{"controller": "ReclaimSpaceCronJob", "error": "no matches for kind \"ReclaimSpaceJob\" in version \"csiaddons.openshift.io/v1alpha1\""}
main.main
	/home/mrajanna/workspace/src/github.com/csi-addons/kubernetes-csi-addons/cmd/manager/main.go:132
runtime.main
	/usr/local/go/src/runtime/proc.go:250

Signed-off-by: Madhu Rajanna madhupr007@gmail.com

[Rakshith-R]

@Madhu-1 need to run go mod vendor

[Madhu-1]

Missed adding go.mod file should be good now.