Metric prefix filtering

[nickethier]

This PR introduces three new options to the telemetry config block:

• filter_default - This controls whether to allow metrics that have not been specified by the filter. Modeled after the option in Consul
• prefix_filter - This is modeled after the option in Consul for defining prefixes to include and exclude from metrics
• disable_dispatched_job_summary_metrics - This long winded option disables registration of job_summary metrics entirely if the job has been dispatched from a parameterized job. Improve Telemetry for Dispatch Jobs #4422 Explains why you might want this. Additionally if you are dispatching a high volume of jobs you can reclaim the memory overhead used by summary stats tracking of each job for scheduling. This can be significant in large deployments.

fixes #4864

[dadgar]

LGTM after small changes

[github-actions]

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