MINOR: [C#] Bump xunit from 2.9.1 to 2.9.2 in /csharp (#44259)

Bumps [xunit](https://github.com/xunit/xunit) from 2.9.1 to 2.9.2.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/xunit/xunit/commit/82543a6df6f5f13b5b70f8a9f9ccb41cd676084f"><code>82543a6</code></a> v2.9.2</li>
<li><a href="https://github.com/xunit/xunit/commit/0f8f1563876f2cbbb9af27e0bb14b824372fd4a8"><code>0f8f156</code></a> <a href="https://redirect.github.com/xunit/xunit/issues/3031">#3031</a>: Changes to TheoryData break tests with arrays of objects</li>
<li><a href="https://github.com/xunit/xunit/commit/502f6d10bf015ac570f8f1ca378882a9526fe0bc"><code>502f6d1</code></a> Bump up to v2.9.2-pre</li>
<li>See full diff in <a href="https://github.com/xunit/xunit/compare/v2-2.9.1...v2-2.9.2">compare view</a></li>
</ul>
</details>
<br />

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Authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Curt Hagenlocher <[email protected]>

csharp/test/Apache.Arrow.Compression.Tests/Apache.Arrow.Compression.Tests.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="xunit" Version="2.9.1" />
+    <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
 

csharp/test/Apache.Arrow.Flight.Sql.Tests/Apache.Arrow.Flight.Sql.Tests.csproj

@@ -7,7 +7,7 @@
 
     <ItemGroup>
       <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-      <PackageReference Include="xunit" Version="2.9.1" />
+      <PackageReference Include="xunit" Version="2.9.2" />
       <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
       <PackageReference Include="coverlet.collector" Version="6.0.2" />
     </ItemGroup>

csharp/test/Apache.Arrow.Flight.Tests/Apache.Arrow.Flight.Tests.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="xunit" Version="2.9.1" />
+    <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
   </ItemGroup>

csharp/test/Apache.Arrow.Tests/Apache.Arrow.Tests.csproj

@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="xunit" Version="2.9.1" />
+    <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>