Bump xunit.runner.visualstudio from 3.1.4 to 3.1.5

---
updated-dependencies:
- dependency-name: xunit.runner.visualstudio
  dependency-version: 3.1.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

test/GitHubLabelSync.Tests.csproj

@@ -8,7 +8,7 @@
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
 		<PackageReference Include="NSubstitute" Version="5.3.0" />
 		<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" />
 		<PackageReference Include="coverlet.collector" Version="6.0.4" PrivateAssets="all" />
 		<ProjectReference Include="../src/GitHubLabelSync.csproj" />
 	</ItemGroup>