fix(redis): label RedisFailover with the operator group

The freshworks-oss operator filters RedisFailovers by the
redis-failover.freshworks.com/operator-group label matching its
OPERATOR_GROUP_ID; without the label it ignores the CR and no Redis is
provisioned. Stamp the group (cozystack) so the migrated operator adopts
the app's clusters.

Assisted-By: Claude <noreply@anthropic.com>
Signed-off-by: Andrei Kvapil <andrei.kvapil@aenix.io>

packages/apps/redis/templates/redisfailover.yaml

@@ -22,6 +22,11 @@ metadata:
   labels:
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
+    # The freshworks-oss operator reconciles only RedisFailovers whose
+    # operator-group label matches its OPERATOR_GROUP_ID (see
+    # packages/system/redis-operator/values.yaml); without it the CR is
+    # silently ignored. Keep both sides in sync.
+    redis-failover.freshworks.com/operator-group: cozystack
 spec:
   sentinel:
     replicas: 3