chore(kitchenowl): update image docker.io/tombursch/kitchenowl digest to a9db258 (#44134)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/tombursch/kitchenowl | digest | `d026538` -> `a9db258` |

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charts/stable/kitchenowl/values.yaml

@@ -5,7 +5,7 @@ image:
 backendImage:
   repository: docker.io/tombursch/kitchenowl
   pullPolicy: IfNotPresent
-  tag: latest@sha256:d026538f74f75f0bc662d4989a960e2784cb3a7a8559c8dee4ccbda2cea5ffb0
+  tag: latest@sha256:a9db258965941c4183acb87c68bb7704e5af569d54a66fde8f3ed51801bb9949
 
 service:
   main: