chore(deps): update dependency azure.identity to 1.18.0

Author: renovate-bot

src/Directory.Packages.props

@@ -5,7 +5,7 @@
     <NoWarn>$(NoWarn);NU1507</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Azure.Identity" Version="1.17.1" />
+    <PackageVersion Include="Azure.Identity" Version="1.18.0" />
     <PackageVersion Include="Cake.Bridge.DependencyInjection.Testing" Version="2026.2.11.478" />
     <PackageVersion Include="Cake.Bridge.DependencyInjection" Version="2026.2.11.478" />
     <PackageVersion Include="Cake.Common" Version="6.0.0" />