MINOR: [C#] Bump xunit.runner.visualstudio in /csharp

Bumps [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) from 2.4.0 to 2.5.0.
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](https://github.com/xunit/visualstudio.xunit/commits/2.5.0)

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

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

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

@@ -9,7 +9,7 @@
  <ItemGroup>
  <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
  <PackageReference Include="xunit" Version="2.4.0" />
- <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
+ <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />
  </ItemGroup>
 
  <ItemGroup>

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

@@ -8,7 +8,7 @@
  <ItemGroup>
  <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
  <PackageReference Include="xunit" Version="2.4.0" />
- <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
+ <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />
  <PackageReference Include="coverlet.collector" Version="1.2.0" />
  </ItemGroup>
 

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

@@ -12,7 +12,7 @@
  <ItemGroup>
  <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
  <PackageReference Include="xunit" Version="2.4.0" />
- <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0">
+ <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
  <PrivateAssets>all</PrivateAssets>
  <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
  </PackageReference>