Update dependency prom-client to v14.2.0 - autoclosed

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
prom-client	14.1.0 -> 14.2.0

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Release Notes

siimon/prom-client (prom-client)

v14.2.0

Compare Source

Changed

• Refactor getMetricAsPrometheusString method in the Registry class to use Array.prototype.join
  instead of loop of string concatenations.
• Also use Array.prototype.map, and object spread instead of an explicit for loop
• changed: updated the sample output in example/default-metrics.js
• summary metrics now has a pruneAgedBuckets config parameter
  to remove entries without any new values in the last maxAgeSeconds.
  Default is false (old behavior)

Added

• Add get method to type definitions of metric classes

v14.1.1

Compare Source

Changed

• Increase compatibility with external build system such as rollup by making perf_hooks optional in gc.js

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