Bump Azure.Identity in /samples/dotnetcore/task/ManageTask (#719)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

samples/dotnetcore/task/ManageTask/ManageTask.csproj

@@ -1,12 +1,12 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Identity" Version="1.8.2" />
+    <PackageReference Include="Azure.Identity" Version="1.10.2" />
     <PackageReference Include="Azure.ResourceManager.ContainerRegistry" Version="1.1.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="6.0.0" />