Add Microsoft.Extensions.AI group and remove from ignore list

Co-authored-by: eiriktsarpalis <[email protected]>

Author: Copilot

.github/dependabot.yml

@@ -21,6 +21,9 @@ updates:
           - "coverlet.*"
           - "GitHubActionsTestLogger"
           - "Moq"
+      microsoft-extensions-ai:
+        patterns:
+          - "Microsoft.Extensions.AI*"
       microsoft-extensions-testing:
         patterns:
           - "Microsoft.Extensions.DependencyInjection"
@@ -29,7 +32,6 @@ updates:
           - "Microsoft.Extensions.Logging.Console"
           - "Microsoft.Extensions.Options"
           - "Microsoft.Extensions.TimeProvider.Testing"
-          - "Microsoft.Extensions.AI.OpenAI"
       opentelemetry-testing:
         patterns:
           - "OpenTelemetry*"
@@ -47,8 +49,6 @@ updates:
       # Ignore all Microsoft product dependencies except those explicitly in testing groups
       - dependency-name: "Microsoft.Extensions.Hosting.Abstractions"
       - dependency-name: "Microsoft.Extensions.Logging.Abstractions" 
-      - dependency-name: "Microsoft.Extensions.AI.Abstractions"
-      - dependency-name: "Microsoft.Extensions.AI"
       - dependency-name: "Microsoft.AspNetCore.*"
       - dependency-name: "Microsoft.IdentityModel.*"
       - dependency-name: "Microsoft.Bcl.*"