Update dependency xunit.runner.visualstudio to v3 (#506)

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

Author: renovate[bot]

src/Cake.AzureDevOps.Tests/Cake.AzureDevOps.Tests.csproj

@@ -26,7 +26,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="xunit" Version="2.9.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0" />
     <!--Transitive dependencies specified to fix security vulnerabilities-->
     <PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
     <PackageReference Include="System.Formats.Asn1" Version="9.0.0" />