Fix UITT references for real.

Author: sarahelsaig

Lombiq.DataTables.Tests.UI/Lombiq.DataTables.Tests.UI.csproj

@@ -25,7 +25,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(NuGetBuild)' == 'true'">
-    <PackageReference Include="Lombiq.Tests.UI" Version="11.0.0" />
+    <PackageReference Include="Lombiq.Tests.UI" Version="11.1.1-alpha.2.osoe-903" />
   </ItemGroup>
 
   <ItemGroup>