Bump xunit from 2.9.2 to 2.9.3

---
updated-dependencies:
- dependency-name: xunit
  dependency-version: 2.9.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     <!-- Test stack -->
-    <XunitVersion>2.9.2</XunitVersion>
+    <XunitVersion>2.9.3</XunitVersion>
     <XunitRunnerVersion>3.1.5</XunitRunnerVersion>
     <!-- Sample stack -->
     <AspNetCoreVersion>8.0.27</AspNetCoreVersion>