Merge pull request #129 from microsoftgraph/dependabot/nuget/src/Azure.Identity-1.21.0

Bump Azure.Identity from 1.20.0 to 1.21.0

Author: github-actions[bot]

src/GraphEventGrid.csproj

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Identity" Version="1.20.0" />
+    <PackageReference Include="Azure.Identity" Version="1.21.0" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.25" />
     <PackageReference Include="Microsoft.Graph" Version="5.103.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556">