[Dependabot] nuget: Bump the xunit-packages group with 1 update (#73)

Bumps xunit.runner.visualstudio from 3.1.2 to 3.1.3

---
updated-dependencies:
- dependency-name: xunit.runner.visualstudio
  dependency-version: 3.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: xunit-packages
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -15,7 +15,7 @@
     <PackageVersion Include="Mono.Cecil" Version="0.11.6" />
     <PackageVersion Include="Moq" Version="4.20.72" />
     <PackageVersion Include="xunit.v3" Version="3.0.0" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.2" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.3" />
   </ItemGroup>
   <ItemGroup>
     <GlobalPackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />