Update dependency System.Data.SqlClient to 4.9.0

Author: dependencyupdates[bot]

src/ServiceInsight.Tests/ServiceInsight.Tests.csproj

@@ -29,7 +29,7 @@
   </ItemGroup>
 
   <ItemGroup Label="Pinned packages to prevent transitive dependencies issues">
-    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
   </ItemGroup>
 
 </Project>