⬆️ Bump coverlet.msbuild in /PSWordCloud.Tests (#45)

Bumps [coverlet.msbuild](https://github.com/tonerdo/coverlet) from 2.0.1 to 2.8.0.
- [Release notes](https://github.com/tonerdo/coverlet/releases)
- [Commits](https://github.com/tonerdo/coverlet/commits)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

PSWordCloud.Tests/PSWordCloud.Tests.csproj

@@ -17,7 +17,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.msbuild" Version="2.0.1" />
+    <PackageReference Include="coverlet.msbuild" Version="2.8.0" />
   </ItemGroup>
 
 </Project>