chore(deps): update xunit-dotnet monorepo to v2.8.0

| datasource | package                   | from  | to    |
| ---------- | ------------------------- | ----- | ----- |
| nuget      | xunit                     | 2.6.6 | 2.8.0 |
| nuget      | xunit.runner.visualstudio | 2.5.6 | 2.8.0 |

Author: renovate[bot]

Testing/BranchValidatorIntegrationTests/BranchValidatorIntegrationTests.csproj

@@ -26,8 +26,8 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="xunit" Version="2.6.6" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+        <PackageReference Include="xunit" Version="2.8.0" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>

Testing/BranchValidatorSharedTests/BranchValidatorSharedTests.csproj

@@ -25,8 +25,8 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="xunit" Version="2.6.6" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+        <PackageReference Include="xunit" Version="2.8.0" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>

Testing/BranchValidatorTests/BranchValidatorTests.csproj

@@ -27,8 +27,8 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="xunit" Version="2.6.6" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+        <PackageReference Include="xunit" Version="2.8.0" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>

Testing/ScriptGeneratorTests/ScriptGeneratorTests.csproj

@@ -28,8 +28,8 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="xunit" Version="2.6.6" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+        <PackageReference Include="xunit" Version="2.8.0" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>

Testing/TestingShared/TestingShared.csproj

@@ -20,7 +20,7 @@
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>
-      <PackageReference Include="xunit" Version="2.6.6" />
+      <PackageReference Include="xunit" Version="2.8.0" />
     </ItemGroup>
 
     <ItemGroup>