Bump xunit.runner.visualstudio

Bumps the major-minor-dependencies group with 1 update in the /backend/ILSpyX.Backend.Tests directory: [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit).


Updates `xunit.runner.visualstudio` from 3.0.2 to 3.1.0
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@3.0.2...3.1.0)

---
updated-dependencies:
- dependency-name: xunit.runner.visualstudio
  dependency-version: 3.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: major-minor-dependencies
...

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

Author: dependabot[bot]

backend/ILSpyX.Backend.Tests/ILSpyX.Backend.Tests.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.4" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.4" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.2">
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>