chore(kitchenowl): update image docker.io/tombursch/kitchenowl digest to dc988d1 (#46769)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/tombursch/kitchenowl | digest | `a9db258` → `dc988d1` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the [Dependency
Dashboard](../issues/18710) for more information.

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yOS4yIiwidXBkYXRlZEluVmVyIjoiNDMuMjkuMiIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhcHAva2l0Y2hlbm93bCIsImF1dG9tZXJnZSIsInJlbm92YXRlL2NvbnRhaW5lciIsInR5cGUvZGlnZXN0Il19-->

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Signed-off-by: Alfred Göppel <43101280+alfi0812@users.noreply.github.com>
Co-authored-by: Alfred Göppel <43101280+alfi0812@users.noreply.github.com>

charts/stable/kitchenowl/Chart.yaml

@@ -37,5 +37,4 @@ sources:
   - https://hub.docker.com/r/tombursch/kitchenowl-web
   - https://tombursch.github.io/kitchenowl
 type: application
-version: 13.0.2
-
+version: 13.0.3

charts/stable/kitchenowl/values.yaml

@@ -6,7 +6,7 @@ image:
 backendImage:
   repository: docker.io/tombursch/kitchenowl
   pullPolicy: IfNotPresent
-  tag: latest@sha256:a9db258965941c4183acb87c68bb7704e5af569d54a66fde8f3ed51801bb9949
+  tag: latest@sha256:dc988d1c9891900ddf75186c19bd8d3d12e199b6373588a0d63c3ccfb9acae50
 
 service:
   main: