[chore] Ignore datadog-api-client-go in renov updates (open-telemetry…

…#36339)

#### Description
There is breaking change in github.com/DataDog/datadog-api-client-go/v2
v2.32.0. This dependency should be removed soon, for now we skip
auto-update and will do manual dependency bump when needed.

renovate.json

@@ -108,7 +108,8 @@
       }
     ],
     "ignoreDeps": [
-      "github.com/DataDog/datadog-agent/pkg/trace/exportable"
+      "github.com/DataDog/datadog-agent/pkg/trace/exportable",
+      "github.com/datadog/datadog-api-client-go/v2"
     ],
     "prConcurrentLimit": 200,
     "suppressNotifications": ["prEditedNotification"]