chore: bump controller image to b6ed0ce (RolloutNodeStatus removal + templateHash race fix)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: bdchatham

config/manager/manager.yaml

@@ -32,7 +32,7 @@ spec:
           - --metrics-bind-address=:8080
           - --leader-elect
           - --health-probe-bind-address=:8081
-        image: 189176372795.dkr.ecr.us-east-2.amazonaws.com/sei/sei-k8s-controller:0dc4343b9825a47d9955a450080d157d257e862a
+        image: 189176372795.dkr.ecr.us-east-2.amazonaws.com/sei/sei-k8s-controller:b6ed0ce55c7580263db0188855b4d43e4c95b17e
         name: manager
         env:
           - name: SEI_NODEPOOL_NAME