Revert to Microsoft.Data.SqlClient 2.1.x (#25057)

Author: bricelam

.github/dependabot.yml

@@ -11,7 +11,6 @@ updates:
       - dependency-name: Microsoft.AspNetCore.OData
       - dependency-name: Microsoft.Azure.Cosmos
       - dependency-name: Microsoft.CSharp
-      - dependency-name: Microsoft.Data.SqlClient
       - dependency-name: Microsoft.DotNet.PlatformAbstractions
       - dependency-name: mod_spatialite
       - dependency-name: NetTopologySuite*
@@ -26,5 +25,8 @@ updates:
       - dependency-name: StyleCop.Analyzers
       # Testing infrastructure should be intentionally updated
       - dependency-name: BenchmarkDotNet
+      # Need to stay on LTS for 6.0
+      - dependency-name: Microsoft.Data.SqlClient
     labels:
-      - auto-merge
+      - area-infrastructure
+      - 'type-dependency update :arrow_up_small:'

src/EFCore.SqlServer/EFCore.SqlServer.csproj

@@ -21,7 +21,7 @@
 
   <ItemGroup>
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="All" />
-    <PackageReference Include="Microsoft.Data.SqlClient" Version="3.0.0-preview3.21140.5" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="2.1.3" />
   </ItemGroup>
 
   <ItemGroup>