Bump Microsoft.Kiota.Abstractions

Bumps the kiota-dependencies group in /it/csharp with 1 update: [Microsoft.Kiota.Abstractions](https://github.com/microsoft/kiota-abstractions-dotnet).


Updates `Microsoft.Kiota.Abstractions` from 1.9.3 to 1.9.4
- [Release notes](https://github.com/microsoft/kiota-abstractions-dotnet/releases)
- [Changelog](https://github.com/microsoft/kiota-abstractions-dotnet/blob/main/CHANGELOG.md)
- [Commits](microsoft/kiota-dotnet@v1.9.3...v1.9.4)

---
updated-dependencies:
- dependency-name: Microsoft.Kiota.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kiota-dependencies
...

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

it/csharp/dotnet.csproj

@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Identity" Version="1.11.3" />
-    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.9.3" />
+    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.9.4" />
     <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.1.7" />
     <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.4.3" />
     <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.2.4" />