Merge pull request #12 from Missile2006/dependabot/nuget/EchoServerTests/multi-6a39f59643

Bump NUnit from 3.14.0 to 4.4.0

Author: Missile2006

EchoServerTests/EchoServerTests.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>