Enhancement: Add Year to Job Run Timestamp in pipeline-stage-view-plugin

[DeepData-Diver]

Testing done

Submitter checklist

• Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
• Ensure that the pull request title represents the desired changelog entry
• Please describe what you did
• Link to relevant issues in GitHub or Jira
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[DeepData-Diver]

Addressed this Jenkins issue: https://issues.jenkins.io/browse/JENKINS-73507

[jglick]

Please be aware that this plugin is generally not maintained.

addressed

[jglick]

I am not sure this is a net benefit; it breaks the layout a bit.

Chrome before

and after

and Firefox before

and after

[jglick]

Note that the issue suggests showing the year only if the build is more than a year old, which seems prudent. (Or a few months old at least. For that matter, maybe we should display the day only if the build is more than a few hours old. Otherwise the time would suffice.)

[DeepData-Diver]

Addressed PR comments. Please see new changes. Here is a sample image that illustrates changes:

[DeepData-Diver]

@jglick Please review PR. Thanks