Update dotnet monorepo

Author: renovate[bot]

global.json

@@ -1,6 +1,6 @@
 {
     "sdk": {
-        "version": "6.0.403",
+        "version": "6.0.408",
         "rollForward": "latestFeature"
     }
 }

src/FluentNHibernate.Testing/FluentNHibernate.Testing.csproj

@@ -18,7 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Data.Sqlite" Version="2.1.0" />
+    <PackageReference Include="Microsoft.Data.Sqlite" Version="2.2.6" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="FakeItEasy" Version="7.3.1" />
     <PackageReference Include="NUnit" Version="3.13.3" />