Update dependency coverlet.collector to v8

Author: renovate[bot]

Directory.Packages.props

@@ -16,7 +16,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
-    <PackageVersion Include="coverlet.collector" Version="6.0.4" />
+    <PackageVersion Include="coverlet.collector" Version="8.0.1" />
 
     <PackageVersion Include="Nullable" Version="1.3.1" />
     <PackageVersion Include="Polyfill" Version="9.7.4" />