Bump System.Data.SqlClient from 4.8.6 to 4.9.0

Bumps [System.Data.SqlClient](https://github.com/dotnet/maintenance-packages) from 4.8.6 to 4.9.0.
- [Commits](https://github.com/dotnet/maintenance-packages/commits)

---
updated-dependencies:
- dependency-name: System.Data.SqlClient
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ClosedXML.Tests/ClosedXML.Tests.csproj

@@ -33,7 +33,7 @@
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="System.Data.OleDb" Version="8.0.1" />
-		<PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
+		<PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
 	</ItemGroup>
 
 	<ItemGroup>