Update Helm release aws-load-balancer-controller to v1.12.0

Author: renovate[bot]

infra/argo-apps/aws-load-balancer.yaml

@@ -54,7 +54,7 @@ spec:
           create: false
           name: aws-load-balancer-controller
     repoURL: https://aws.github.io/eks-charts
-    targetRevision: 1.11.0
+    targetRevision: 1.12.0
   destination:
     namespace: aws-load-balancer
     server: https://kubernetes.default.svc