Bump NUnit from 4.5.0 to 4.5.1

---
updated-dependencies:
- dependency-name: NUnit
  dependency-version: 4.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/SharedMauiCoreLibrary.Test/SharedMauiCoreLibrary.Test.csproj

@@ -15,7 +15,7 @@
 	<PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="10.0.3" />
 	<PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.3" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
-    <PackageReference Include="NUnit" Version="4.5.0" />
+    <PackageReference Include="NUnit" Version="4.5.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.1.0" />
     <PackageReference Include="NUnit.Analyzers" Version="4.12.0">
       <PrivateAssets>all</PrivateAssets>