Bump xunit.runner.visualstudio from 2.8.2 to 3.0.0 (#25)

Author: dependabot[bot]

test/Styra.Opa.AspNetCore.Tests/Styra.Opa.AspNetCore.Tests.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Testcontainers" Version="4.1.0" />
     <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">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>