fix(deps): update dependency prom-client to v15

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
prom-client	^14.2.0 → ^15.1.3

---

Release Notes

siimon/prom-client (prom-client)

v15.1.3

Compare Source

Changed

• Improve error message when number of registered labels mismatch with the number of labels provided

v15.1.2

Compare Source

Changed

• Add Registry.PROMETHEUS_CONTENT_TYPE and Registry.OPENMETRICS_CONTENT_TYPE constants to the TypeScript types
• Correctly read and set contentType top level export

Added

• Enable bun.js by catching NotImplemented error (Fixes #​570)

v15.1.1

Compare Source

Changed

• Improve the memory usage of histograms when the enableExemplars option is disabled
• fix: Avoid updating exemplar values during subsequent metric changes (Fixes #​616)

v15.1.0

Compare Source

Changed

• remove unnecessary loop from osMemoryHeapLinux
• Improve performance of hashObject by using pre-sorted array of label names
• Fix type of collectDefaultMetrics.metricsList

Added

• Allow Pushgateway to now require job names for compatibility with Gravel Gateway.
• Allow histogram.startTime() to be used with exemplars.

v15.0.0

Compare Source

Changed

• remove unnecessary loop from osMemoryHeapLinux
• Improve performance of hashObject by using pre-sorted array of label names
• Fix type of collectDefaultMetrics.metricsList

Added

• Allow Pushgateway to now require job names for compatibility with Gravel Gateway.
• Allow histogram.startTime() to be used with exemplars.

---

Configuration

📅 Schedule: Branch creation - Between 12:00 AM and 03:59 AM, only on Monday ( * 0-3 * * 1 ) (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.