Bump xunit.runner.visualstudio from 2.4.3 to 2.8.1 in /Ix.NET/Source

Bumps xunit.runner.visualstudio from 2.4.3 to 2.8.1.

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Ix.NET/Source/System.Interactive.Async.Providers.Tests/System.Interactive.Async.Providers.Tests.csproj

@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

Ix.NET/Source/System.Interactive.Async.Tests/System.Interactive.Async.Tests.csproj

@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1" />
     <PackageReference Include="FluentAssertions" Version="6.4.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>

Ix.NET/Source/System.Interactive.Tests/System.Interactive.Tests.csproj

@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1" />
     <PackageReference Include="FluentAssertions" Version="6.4.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>

Ix.NET/Source/System.Linq.Async.Queryable.Tests/System.Linq.Async.Queryable.Tests.csproj

@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1" />
     <PackageReference Include="FluentAssertions" Version="6.4.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>

Ix.NET/Source/System.Linq.Async.Tests/System.Linq.Async.Tests.csproj

@@ -40,7 +40,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1" />
     <PackageReference Include="FluentAssertions" Version="6.4.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>