chore(deps): update dependency prometheus.client.metricpusher to 3.2.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Prometheus.Client.MetricPusher (source)	3.1.0 -> 3.2.0

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Release Notes

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

v3.2.0

• Removed netstandard2.1 target framework
• Added net462 and .net6.0 target frameworks
• Added unit and integration tests

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.85%. Comparing base (0f34d37) to head (296aca8).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #88   +/-   ##
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  Coverage   92.85%   92.85%           
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  Files           3        3           
  Lines          28       28           
  Branches        3        3           
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  Hits           26       26           
  Misses          2        2           

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