Bump xunit from 2.4.1 to 2.4.2

Bumps [xunit](https://github.com/xunit/xunit) from 2.4.1 to 2.4.2.
- [Release notes](https://github.com/xunit/xunit/releases)
- [Commits](xunit/xunit@2.4.1...2.4.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

ListingManager.Tests/ListingManager.Tests.csproj

@@ -16,7 +16,7 @@
         <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
         <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />
         <PackageReference Include="Polly" Version="7.2.3" />
-        <PackageReference Include="xunit" Version="2.4.1" />
+        <PackageReference Include="xunit" Version="2.4.2" />
     </ItemGroup>
 
     <ItemGroup>