Update Microsoft.Data.Sqlite.Core TFMs (#35589)

Fixes #34771

Author: AndriySvyryd

src/Microsoft.Data.Sqlite.Core/Microsoft.Data.Sqlite.Core.csproj

@@ -15,7 +15,7 @@ Microsoft.Data.Sqlite.SqliteException
 Microsoft.Data.Sqlite.SqliteFactory
 Microsoft.Data.Sqlite.SqliteParameter
 Microsoft.Data.Sqlite.SqliteTransaction</Description>
-    <TargetFrameworks>$(DefaultNetCoreTargetFramework);netstandard2.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>$(DefaultNetCoreTargetFramework);netstandard2.0</TargetFrameworks>
     <MinClientVersion>3.6</MinClientVersion>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <CodeAnalysisRuleSet>Microsoft.Data.Sqlite.Core.ruleset</CodeAnalysisRuleSet>