Bump dependency xunit.runner.visualstudio to 3.1.2 (#961)

| datasource | package                   | from  | to    |
| ---------- | ------------------------- | ----- | ----- |
| nuget      | xunit.runner.visualstudio | 3.1.1 | 3.1.2 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.abstractions" Version="2.0.3" />
     <PackageVersion Include="xunit.extensibility.execution" Version="2.9.3" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.1" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.2" />
     <PackageVersion Include="xunit.v3" Version="3.0.0" />
     <PackageVersion Include="xunit.v3.extensibility.core" Version="3.0.0" />
   </ItemGroup>