chore(deps): update container image ghcr.io/open-webui/open-webui to latest@4c61476 by renovate (#21148)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/open-webui/open-webui | digest | `48c7193` -> `4c61476` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zMTUuMSIsInVwZGF0ZWRJblZlciI6IjM3LjMxNS4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/ollama/Chart.yaml

@@ -33,7 +33,7 @@ sources:
   - https://github.com/ollama/ollama
   - https://github.com/open-webui/open-webui
   - https://github.com/truecharts/charts/tree/master/charts/stable/ollama
-  - https://hub.docker.com/r/ollama/ollama
   - https://ghcr.io/open-webui/open-webui
+  - https://hub.docker.com/r/ollama/ollama
 type: application
-version: 5.4.20
+version: 5.4.21

charts/stable/ollama/values.yaml

@@ -9,7 +9,7 @@ rocmImage:
 uiImage:
   repository: ghcr.io/open-webui/open-webui
   pullPolicy: IfNotPresent
-  tag: latest@sha256:48c719343988152bafe857575eb08966ccb9127dbac032e8fe7b70f183995bc8
+  tag: latest@sha256:4c61476984ab62ea1d422775725e3efb859b352e4fd8bb81c6587e591143cc73
 
 securityContext:
   container: