Merge pull request #22 from managedcode/dependabot/nuget/TUnit.Assertions-1.21.6

chore: Bump TUnit.Assertions from 1.12.125 to 1.21.6

Author: KSemenenko

Directory.Packages.props

@@ -6,6 +6,6 @@
     <PackageVersion Include="DotNet.ReproducibleBuilds" Version="2.0.2" />
     <PackageVersion Include="Microsoft.Playwright" Version="1.58.0" />
     <PackageVersion Include="TUnit" Version="1.12.125" />
-    <PackageVersion Include="TUnit.Assertions" Version="1.12.125" />
+    <PackageVersion Include="TUnit.Assertions" Version="1.21.6" />
   </ItemGroup>
 </Project>