Bump the all-dependencies group with 2 updates

Bumps the all-dependencies group with 2 updates: xunit and xunit.runner.visualstudio.


Updates `xunit` from 2.8.1 to 2.9.0

Updates `xunit.runner.visualstudio` from 2.8.1 to 2.8.2

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

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

Directory.Packages.props

@@ -20,9 +20,9 @@
 
     <!-- Testing -->
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-    <PackageVersion Include="xunit" Version="2.8.1" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.1" />
+    <PackageVersion Include="xunit" Version="2.9.0" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageVersion Include="coverlet.collector" Version="6.0.2" />
-    <PackageVersion Include="xunit.analyzers" Version="1.14.0" />
+    <PackageVersion Include="xunit.analyzers" Version="1.15.0" />
   </ItemGroup>
 </Project>