Bump the kiota-dependencies group with 2 updates

Bumps Microsoft.Kiota.Authentication.Azure from 1.20.1 to 1.21.0
Bumps Microsoft.Kiota.Bundle from 1.20.1 to 1.21.0

---
updated-dependencies:
- dependency-name: Microsoft.Kiota.Authentication.Azure
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: kiota-dependencies
- dependency-name: Microsoft.Kiota.Bundle
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: kiota-dependencies
...

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

Author: dependabot[bot]

get-started/azure-auth/dotnet/src/GetUserClient.csproj

@@ -7,8 +7,8 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Azure.Identity" Version="1.17.1" />
-    <PackageReference Include="Microsoft.Kiota.Bundle" Version="1.20.1" />
-    <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.20.1" />
+    <PackageReference Include="Microsoft.Kiota.Bundle" Version="1.21.0" />
+    <PackageReference Include="Microsoft.Kiota.Authentication.Azure" Version="1.21.0" />
     <PackageReference Include="Microsoft.DotNet.UpgradeAssistant.Extensions.Default.Analyzers"
       Version="0.4.421302">
       <PrivateAssets>all</PrivateAssets>