Bump xunit.runner.visualstudio from 2.4.5 to 2.5.3

Bumps [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) from 2.4.5 to 2.5.3. - [Release notes](https://github.com/xunit/visualstudio.xunit/releases) - [Commits](xunit/visualstudio.xunit@v2.4.5...2.5.3) --- 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>

Author: dependabot[bot]

tests/AiDotNetUnitTests.csproj

@@ -12,7 +12,7 @@
  <ItemGroup>
  <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
  <PackageReference Include="xunit" Version="2.4.2" />
- <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+ <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
  <PrivateAssets>all</PrivateAssets>
  </PackageReference>