chore(deps): update dependency bunit to v2

Author: renovate[bot]

Directory.Packages.props

@@ -9,7 +9,7 @@
     <PackageVersion Include="MudBlazor" Version="8.11.0" />
 
     <!-- Testing packages -->
-    <PackageVersion Include="bunit" Version="1.40.0" />
+    <PackageVersion Include="bunit" Version="2.1.1" />
     <PackageVersion Include="FakeItEasy" Version="8.3.0" />
     <PackageVersion Include="Shouldly" Version="4.3.0" />
     <PackageVersion Include="xunit.v3" Version="3.0.0" />