⬆️ Bump NSubstitute from 4.4.0 to 5.0.0

Bumps NSubstitute from 4.4.0 to 5.0.0.

---
updated-dependencies:
- dependency-name: NSubstitute
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

test/UraniumUI.Tests.Core/UraniumUI.Tests.Core.csproj

@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="NSubstitute" Version="4.4.0" />
+    <PackageReference Include="NSubstitute" Version="5.0.0" />
     <PackageReference Include="Shouldly" Version="4.1.0" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2">