Bump Microsoft.Data.SqlClient from 6.1.2 to 6.1.3

---
updated-dependencies:
- dependency-name: Microsoft.Data.SqlClient
  dependency-version: 6.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/ProgressOnderwijsUtils/ProgressOnderwijsUtils.csproj

@@ -21,7 +21,7 @@
     <PackageReference Include="JetBrains.Annotations" Version="2025.2.2" />
     <PackageReference Include="ExpressionToCodeLib" version="3.5.0" />
     <PackageReference Include="System.Security.Cryptography.Xml" Version="9.0.10" />
-    <PackageReference Include="Microsoft.Data.SqlClient" Version="6.1.2" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="6.1.3" />
     <EmbeddedResource Include="SingleSignOn\*.xsd" />
     <EmbeddedResource Include="SingleSignOn\*.xsd.intellisensehack" />
     <None Include="readme.md" Pack="true" PackagePath="\" />