chore(deps): update coverlet to v8 (major) (#1702)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -47,8 +47,8 @@
     <PackageVersion Include="Serilog.Sinks.Observable" Version="3.0.0" />
     <PackageVersion Include="Serilog.Sinks.XUnit" Version="3.0.19" />
     <PackageVersion Include="XunitXml.TestLogger" Version="6.1.0" />
-    <PackageVersion Include="coverlet.collector" Version="6.0.4" />
-    <PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
+    <PackageVersion Include="coverlet.collector" Version="8.0.0" />
+    <PackageVersion Include="coverlet.msbuild" Version="8.0.0" />
     <PackageVersion Include="System.Reactive" Version="6.1.0" />
     <PackageVersion Include="System.Collections.Immutable" Version="10.0.3" />
     <PackageVersion Include="System.Threading.Channels" Version="10.0.3" />