build(deps): bump coverlet.msbuild from 3.2.0 to 6.0.0 in /src (#1015)

Bumps [coverlet.msbuild](https://github.com/coverlet-coverage/coverlet) from 3.2.0 to 6.0.0.
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](coverlet-coverage/coverlet@v3.2.0...v6.0.0)

---
updated-dependencies:
- dependency-name: coverlet.msbuild
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/Directory.build.props

@@ -59,7 +59,7 @@
   <ItemGroup Condition="$(IsTestProject)">
     <PackageReference Include="xunit.runner.console" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
-    <PackageReference Include="coverlet.msbuild" Version="3.2.0" />
+    <PackageReference Include="coverlet.msbuild" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(IsTestProject)' != 'true'">