fix(rule): use ruleARN as adoption primary key (#60)

Issue [#2641](aws-controllers-k8s/community#2641)

Description of changes:
Rule was requiring users to use listenerARN to adopt a resource.
These changes ensure users provide the ruleARN to adopt a Rule

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: michaelhtm

apis/v1alpha1/ack-generate-metadata.yaml

@@ -1,13 +1,13 @@
 ack_generate_info:
-  build_date: "2025-09-19T16:54:44Z"
-  build_hash: 6b4211163dcc34776b01da9a18217bac0f4103fd
-  go_version: go1.24.6
-  version: v0.52.0
+  build_date: "2025-09-25T18:46:28Z"
+  build_hash: 5bf1e456e1dfc638d47ab492376335f528c0f455
+  go_version: go1.24.5
+  version: v0.52.0-1-g5bf1e45
 api_directory_checksum: c0850c127b1c1c46a7abf233f454e1c7c561a71c
 api_version: v1alpha1
 aws_sdk_go_version: v1.32.6
 generator_config_info:
-  file_checksum: cdf7cadf70e31654660514195f4a2f258e7843b8
+  file_checksum: e59ecda70fd052399089af65a682c10fe45d58a5
   original_file_name: generator.yaml
 last_modification:
   reason: API generation

apis/v1alpha1/generator.yaml

@@ -203,9 +203,9 @@ resources:
           output_fields:
             TargetGroupName: Name
   Rule:
+    is_arn_primary_key: true
     fields:
       ListenerArn:
-        is_primary_key: true
         references:
           resource: Listener
           path: Status.ACKResourceMetadata.ARN

generator.yaml

@@ -203,9 +203,9 @@ resources:
           output_fields:
             TargetGroupName: Name
   Rule:
+    is_arn_primary_key: true
     fields:
       ListenerArn:
-        is_primary_key: true
         references:
           resource: Listener
           path: Status.ACKResourceMetadata.ARN