chore(deps): update dependency microsoft.testing.extensions.codecoverage to 18.6.2 (#4328)

This PR contains the following updates:

| Package | Change |
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|---|---|---|---|
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[Microsoft.Testing.Extensions.CodeCoverage](https://redirect.github.com/microsoft/codecoverage)
| `18.5.2` → `18.6.2` |
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|
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|

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src/Directory.Packages.props

@@ -29,7 +29,7 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.3.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyModel" Version="10.0.5" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
-    <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.5.2" />
+    <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.6.2" />
     <PackageVersion Include="Microsoft.Testing.Platform.MSBuild" Version="2.1.0" />
     <PackageVersion Include="Microsoft.Reactive.Testing" Version="6.1.0" />
     <PackageVersion Include="System.Reactive" Version="6.1.0" />