Bump the dotnet group with 1 update

Bumps Azure.Identity from 1.14.2 to 1.16.0

---
updated-dependencies:
- dependency-name: Azure.Identity
  dependency-version: 1.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

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

Author: dependabot[bot]

docs/azure/sdk/snippets/configure-proxy/ProxyServerConfiguration.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Identity" Version="1.14.2" />
+    <PackageReference Include="Azure.Identity" Version="1.16.0" />
     <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.8.0" />
   </ItemGroup>