Fix build and test failures by downgrading EF Core Tools and updating deprecated Azure App Configuration methods

Co-authored-by: LuizMacedo <45747223+LuizMacedo@users.noreply.github.com>

Author: Copilot

Directory.Packages.props

@@ -41,7 +41,7 @@
     <PackageVersion Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.8" />
     <PackageVersion Include="Microsoft.FeatureManagement.AspNetCore" Version="4.0.0" />
     <PackageVersion Include="Microsoft.Azure.AppConfiguration.AspNetCore" Version="8.0.0" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.4">
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.8">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageVersion>

src/Web/Program.cs

@@ -123,12 +123,12 @@
         .ConfigureRefresh(refresh =>
         {
             // Default cache expiration is 30 seconds
-            refresh.Register("eShopWeb:Settings:NoResultsMessage").SetCacheExpiration(TimeSpan.FromSeconds(10));
+            refresh.Register("eShopWeb:Settings:NoResultsMessage").SetRefreshInterval(TimeSpan.FromSeconds(10));
         })
         .UseFeatureFlags(featureFlagOptions =>
         {
             // Default cache expiration is 30 seconds
-            featureFlagOptions.CacheExpirationInterval = TimeSpan.FromSeconds(10);
+            featureFlagOptions.SetRefreshInterval(TimeSpan.FromSeconds(10));
         });
     });
 }