Bump NUnit from 4.3.2 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]

NSWEHealth/NSWEHealth.csproj

@@ -31,7 +31,7 @@
 		<PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
 		<PackageReference Include="SpecFlow" Version="3.9.74" />
 		<PackageReference Include="SpecFlow.NUnit" Version="3.9.74" />
-		<PackageReference Include="nunit" Version="4.3.2" />
+		<PackageReference Include="nunit" Version="4.4.0" />
 		<PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
 		<PackageReference Include="SpecFlow.Tools.MsBuild.Generation" Version="3.9.74" />
 	</ItemGroup>