build(deps): bump Azure.Identity in /src/FluentEmail.Graph

Bumps [Azure.Identity](https://github.com/Azure/azure-sdk-for-net) from 1.8.2 to 1.10.2.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Identity_1.8.2...Azure.Identity_1.10.2)

---
updated-dependencies:
- dependency-name: Azure.Identity
  dependency-type: direct:production
...

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

src/FluentEmail.Graph/FluentEmail.Graph.csproj

@@ -40,7 +40,7 @@ v2.1 Added support for Inline images
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Azure.Identity" Version="1.8.2"/>
+        <PackageReference Include="Azure.Identity" Version="1.10.2"/>
         <PackageReference Include="DotNet.ReproducibleBuilds" Version="1.1.1">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>