Update dependency TUnit to 1.64.6

Author: renovate[bot]

test/Soenneker.Loops.ClientUtil.Tests/Soenneker.Loops.ClientUtil.Tests.csproj

@@ -21,7 +21,7 @@
     <ItemGroup>
         <PackageReference Include="Soenneker.Utils.Test" Version="4.0.323" />
         <PackageReference Include="Soenneker.Tests.HostedUnit" Version="4.0.177" />
-        <PackageReference Include="TUnit" Version="1.64.0" />
+        <PackageReference Include="TUnit" Version="1.64.6" />
     </ItemGroup>
 
     <ItemGroup>