Support local timezone

[gazal-k]

Tried setting TZ environment variable on jx-pipelines-visualizer Deployment which did not seem to make any difference. It might be even better if it rendered date/time based on locale of user.

[vbehar]

Yes, for the moment we only support UTC. We could have a timezone selector in the UI, to let the user pick the right one.

[gazal-k]

I was thinking more like, just returning an ISO8601 back from server side and let client side create a javascript Date object. I think that'll use the browser timezone.

[jenkins-x-bot]

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[vbehar]

/remove-lifecycle stale