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

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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)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (a8fd3fd) to head (1280b20).
Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main     #90   +/-   ##
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  Coverage   0.00%   0.00%           
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  Files          5       5           
  Lines         50      50           
  Branches       7       7           
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  Misses        50      50           

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