chore(deps): update container image ghcr.io/open-webui/open-webui to latest@48c7193 by renovate (#21126)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/open-webui/open-webui | digest | `9e612d9` -> `48c7193` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zMTUuMCIsInVwZGF0ZWRJblZlciI6IjM3LjMxNS4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/ollama/Chart.yaml

@@ -23,7 +23,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/ollama.webp
 keywords:
   - ollama
   - language-models
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -36,4 +36,4 @@ sources:
   - https://hub.docker.com/r/ollama/ollama
   - https://ghcr.io/open-webui/open-webui
 type: application
-version: 5.4.19
+version: 5.4.20

charts/stable/ollama/values.yaml

@@ -9,7 +9,7 @@ rocmImage:
 uiImage:
   repository: ghcr.io/open-webui/open-webui
   pullPolicy: IfNotPresent
-  tag: latest@sha256:9e612d9525c042f6f0f11fe943cd4f5c233240c4bfff0b4901cf22a462abb66f
+  tag: latest@sha256:48c719343988152bafe857575eb08966ccb9127dbac032e8fe7b70f183995bc8
 
 securityContext:
   container: