Bump coverlet.msbuild from 6.0.4 to 8.0.0

---
updated-dependencies:
- dependency-name: coverlet.msbuild
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/MockQueryable/MockQueryable.Sample/MockQueryable.Sample.csproj

@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="16.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
-    <PackageReference Include="coverlet.msbuild" Version="6.0.4" PrivateAssets="All" />
+    <PackageReference Include="coverlet.msbuild" Version="8.0.0" PrivateAssets="All" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.0" />
     <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.1.0">