Bump Microsoft.Graph from 4.33.0 to 4.34.0 in /src

Bumps [Microsoft.Graph](https://github.com/microsoftgraph/msgraph-sdk-dotnet) from 4.33.0 to 4.34.0.
- [Release notes](https://github.com/microsoftgraph/msgraph-sdk-dotnet/releases)
- [Commits](microsoftgraph/msgraph-sdk-dotnet@4.33.0...4.34.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

src/AzureIoTHub.Portal/Server/AzureIoTHub.Portal.Server.csproj

@@ -45,7 +45,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="6.0.6" />
-    <PackageReference Include="Microsoft.Graph" Version="4.33.0" />
+    <PackageReference Include="Microsoft.Graph" Version="4.34.0" />
     <PackageReference Include="Microsoft.OpenApi" Version="1.3.2" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.16.1" />
     <PackageReference Include="MudBlazor" Version="6.0.11" />