chore(deps): update dependency coverlet.collector to v8

[devlead]

This PR contains the following updates:

Package	Type	Update	Change
coverlet.collector	nuget	major	6.0.4 -> 8.0.0

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Release Notes

coverlet-coverage/coverlet (coverlet.collector)

v8.0.0

Special Thanks: A huge thank you to @​Bertk for driving the majority of the work in this release! 🎉

Fixed

• Fix System.CommandLine 2.0 release is available #​1776
• Fix Excluding From Coverage bad defaults from given example #​1764
• Fix branchpoint exclusion for sdk 8.0.407 #​1741
• Fix missing copyright information in NuGet #​1794
• Fix bad default values in documentation #​1764 by https://github.com/cboudereau

Improvements

• Coverlet MTP extension feature #​1788
• Generate SBOM for nuget packages #​1752
• Use multi targets projects for coverlet.collector, coverlet.msbuild.tasks packages #​1742
• Use .NET 8.0 target framework for coverlet.core and remove Newtonsoft.Json #​1733
• Use latest System.CommandLine version #​1660
• Upgraded minimum required .NET SDK and runtime to .NET 8.0 LTS (Long Term Support) (Breaking Change)
• Use xunit.v3 for tests and example code

Diff between 6.0.4 and 8.0.0

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