Bump Microsoft.Kiota.Abstractions in /src

Bumps [Microsoft.Kiota.Abstractions](https://github.com/microsoft/kiota-abstractions-dotnet) from 1.0.0-preview.6 to 1.0.0-preview.7.
- [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@v1.0.0-preview.6...v1.0.0-preview.7)

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

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

Author: dependabot[bot]

src/msgraph-cli.csproj

@@ -24,7 +24,7 @@
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" />
     <PackageReference Include="Microsoft.Graph.Cli.Core" Version="0.1.1-preview.5" />
-    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.0.0-preview.6" />
+    <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.0.0-preview.7" />
     <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.0.0-preview.2" />
     <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.0.0-preview.6" />
     <PackageReference Include="Microsoft.Kiota.Serialization.Json" Version="1.0.0-preview.4" />