chore(deps): bump xunit from 2.3.1 to 2.8.1 (#90)

Bumps [xunit](https://github.com/xunit/xunit) from 2.3.1 to 2.8.1.
- [Commits](xunit/xunit@2.3.1...2.8.1)

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

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

test/Xunit.Xml.TestLogger.AcceptanceTests/Xunit.Xml.TestLogger.AcceptanceTests.csproj

@@ -20,7 +20,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit" Version="2.3.1" />
+    <PackageReference Include="xunit" Version="2.8.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
   </ItemGroup>