Update dependency Microsoft.Data.SqlClient to v6

Author: dependencyupdates[bot]

src/Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="Azure.Monitor.Query" Version="1.6.0" />
     <PackageVersion Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageVersion Include="ICSharpCode.Decompiler" Version="8.2.0.7535" />
-    <PackageVersion Include="Microsoft.Data.SqlClient" Version="5.2.3" />
+    <PackageVersion Include="Microsoft.Data.SqlClient" Version="6.1.1" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="Mindscape.Raygun4Net.AspNetCore" Version="11.2.3" />
     <PackageVersion Include="Npgsql" Version="9.0.3" />