Bump the xunit group with 2 updates

Bumps the xunit group with 2 updates: [xunit](https://github.com/xunit/xunit) and [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit).


Updates `xunit` from 2.6.2 to 2.6.3
- [Commits](xunit/xunit@2.6.2...2.6.3)

Updates `xunit.runner.visualstudio` from 2.5.4 to 2.5.5
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@2.5.4...2.5.5)

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

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

Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Text.Json" Version="4.7.2" />
     <PackageVersion Include="xunit" Version="2.6.2" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.4" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.5" />
   </ItemGroup>
   <ItemGroup Condition=" '$(AssemblyName)' == 'JustEat.HttpClientInterception' and '$(TargetFramework)' == 'net6.0' ">
     <PackageVersion Update="System.Text.Json" Version="6.0.0" />