chore(deps): update dependency nunit to 4.5.0

Author: renovate-bot

src/Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="MimeTypes" Version="2.5.2" />
     <PackageVersion Include="NuGetizer" Version="1.4.7" />
-    <PackageVersion Include="NUnit" Version="4.4.0" />
+    <PackageVersion Include="NUnit" Version="4.5.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.11.2" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.1.0" />
     <PackageVersion Include="System.Linq.Async" Version="7.0.0" />