chore(deps): update dependency prometheus.client to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Prometheus.Client (source)	5.2.0 -> 6.0.0

---

Release Notes

prom-client-net/prom-client (Prometheus.Client)

v6.0.0

• Added time-to-live feature by @​ogxd (#​343, #​345)
• Changed MetricFamily dictionary key from 32 to 64 bits hash to reduce collisions by @​ogxd (#​342)
• Added net462 and net6.0 target frameworks
• Fixed some errors found with Windows tests (#​300)

Breaking changes:

• Removed legacy metrics (#​352)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), 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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.14%. Comparing base (2192c31) to head (c2f3728).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #153   +/-   ##
=======================================
  Coverage   40.14%   40.14%           
=======================================
  Files           6        6           
  Lines         137      137           
  Branches       35       35           
=======================================
  Hits           55       55           
  Misses         80       80           
  Partials        2        2           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.