build(deps): bump Azure.Identity in /src/LettuceEncrypt.Azure (#287)

Bumps [Azure.Identity](https://github.com/Azure/azure-sdk-for-net) from 1.9.0 to 1.10.2.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Identity_1.9.0...Azure.Identity_1.10.2)

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

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

src/LettuceEncrypt.Azure/LettuceEncrypt.Azure.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
@@ -13,7 +13,7 @@ See https://nuget.org/packages/LettuceEncrypt for more details.
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Identity" Version="1.9.0" />
+    <PackageReference Include="Azure.Identity" Version="1.10.2" />
     <PackageReference Include="Azure.Security.KeyVault.Certificates" Version="4.5.0" />
     <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.5.0" />
   </ItemGroup>