.Net: Update Npgsql to 8.0.7 (#12614)

### Description

Update Npgsql to 8.0.7

### Contribution Checklist

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- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
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script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible
- [ ] I didn't break anyone 😄

Author: westey-m

dotnet/Directory.Packages.props

@@ -77,7 +77,7 @@
     <PackageVersion Include="ModelContextProtocol" Version="0.3.0-preview.1" />
     <PackageVersion Include="MSTest.TestFramework" Version="3.8.0" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageVersion Include="Npgsql" Version="8.0.6" />
+    <PackageVersion Include="Npgsql" Version="8.0.7" />
     <PackageVersion Include="OllamaSharp" Version="5.2.3" />
     <PackageVersion Include="OpenAI" Version="[2.2.0-beta.4]" />
     <PackageVersion Include="OpenTelemetry.Exporter.Console" Version="1.9.0" />