chore(deps): update dependency testably.abstractions.testing to v4 (#171)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -7,7 +7,7 @@
 	<ItemGroup>
 		<PackageVersion Include="FluentAssertions" Version="7.1.0" />
 		<PackageVersion Include="Testably.Abstractions.Interface" Version="9.0.0" />
-		<PackageVersion Include="Testably.Abstractions.Testing" Version="3.2.4" />
+		<PackageVersion Include="Testably.Abstractions.Testing" Version="4.0.0" />
 	</ItemGroup>
 
 	<ItemGroup>