chore(deps): bump Microsoft.Graph from 5.40.0 to 5.46.0

Bumps [Microsoft.Graph](https://github.com/microsoftgraph/msgraph-sdk-dotnet) from 5.40.0 to 5.46.0.
- [Release notes](https://github.com/microsoftgraph/msgraph-sdk-dotnet/releases)
- [Changelog](https://github.com/microsoftgraph/msgraph-sdk-dotnet/blob/dev/CHANGELOG.md)
- [Commits](microsoftgraph/msgraph-sdk-dotnet@5.40.0...v5.46.0)

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

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

src/FluentEmail.Graph/FluentEmail.Graph.csproj

@@ -49,7 +49,7 @@ v2.1 Added support for Inline images
         <PackageReference Include="JetBrains.Annotations" Version="2023.3.0">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.Graph" Version="5.40.0" />
+        <PackageReference Include="Microsoft.Graph" Version="5.46.0" />
         <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>