Bump the tests group with 1 update

Bumps coverlet.collector from 6.0.4 to 8.0.0

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

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

Author: dependabot[bot]

src/xAI.Tests/xAI.Tests.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.4" />
+    <PackageReference Include="coverlet.collector" Version="8.0.0" />
     <PackageReference Include="Devlooped.Extensions.AI" Version="1.0.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="ThisAssembly.Git" Version="2.1.2" PrivateAssets="all" />