Update dependency bunit to v2

Author: renovate[bot]

Directory.Packages.props

@@ -45,7 +45,7 @@
         <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="9.0.14" />
         <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.14" />
 
-        <PackageVersion Include="bunit" Version="1.40.0" />
+        <PackageVersion Include="bunit" Version="2.6.2" />
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
         <PackageVersion Include="Bogus" Version="35.6.5" />
         <PackageVersion Include="Microsoft.CodeCoverage" Version="17.13.0" />