Bump NUnit from 4.1.0 to 4.4.0

---
updated-dependencies:
- dependency-name: NUnit
  dependency-version: 4.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/FastGenericNew.Tests/FastGenericNew.Tests.csproj

@@ -21,7 +21,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-		<PackageReference Include="NUnit" Version="4.1.0" />
+		<PackageReference Include="NUnit" Version="4.4.0" />
 		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
 		<PackageReference Include="coverlet.collector" Version="6.0.2">
 		  <PrivateAssets>all</PrivateAssets>