Bump the nuget group with 2 updates

Bumps FluentAssertions from 8.6.0 to 8.7.0
Bumps xunit.runner.visualstudio from 3.1.4 to 3.1.5

---
updated-dependencies:
- dependency-name: FluentAssertions
  dependency-version: 8.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget
- dependency-name: xunit.runner.visualstudio
  dependency-version: 3.1.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nuget
...

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

Author: dependabot[bot]

SoundCloudExplode.Tests/SoundCloudExplode.Tests.csproj

@@ -9,10 +9,10 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.4" PrivateAssets="all" />
     <PackageReference Include="CSharpier.MsBuild" Version="1.1.2" PrivateAssets="all" />
-    <PackageReference Include="FluentAssertions" Version="8.6.0" />
+    <PackageReference Include="FluentAssertions" Version="8.7.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" PrivateAssets="all" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" PrivateAssets="all" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\SoundCloudExplode\SoundCloudExplode.csproj" />