Bump Microsoft.Kiota.Abstractions from 1.3.5 to 1.4.0 in /it/csharp

Bumps [Microsoft.Kiota.Abstractions](https://github.com/microsoft/kiota-abstractions-dotnet) from 1.3.5 to 1.4.0.
- [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@v1.3.5...v1.4.0)

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

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

it/csharp/dotnet.csproj

@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Identity" Version="1.10.2" />
-    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.3.5" />
+    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.4.0" />
     <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.0.3" />
     <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.1.1" />
     <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.0.1" />