Bump the nuget-dependencies group with 3 updates (#1)

Bumps coverlet.collector from 6.0.4 to 8.0.0
Bumps Microsoft.NET.Test.Sdk from 17.14.1 to 18.3.0
Bumps xunit.runner.visualstudio from 3.1.4 to 3.1.5

---
updated-dependencies:
- dependency-name: coverlet.collector
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: nuget-dependencies
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: nuget-dependencies
- dependency-name: xunit.runner.visualstudio
  dependency-version: 3.1.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nuget-dependencies
...

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

Author: dependabot[bot]

test/Nerdigy.Results.Tests/Nerdigy.Results.Tests.csproj

@@ -8,10 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.4" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="coverlet.collector" Version="8.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>
 
   <ItemGroup>