chore(helm): update image ghcr.io/open-webui/open-webui digest to 74a5ee5 (#38775)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/open-webui/open-webui | digest | `a439e8b` -> `74a5ee5` |

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charts/stable/ollama/Chart.yaml

@@ -38,5 +38,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/ollama
   - https://hub.docker.com/r/ollama/ollama
 type: application
-version: 8.5.6
+version: 8.5.7
 

charts/stable/ollama/values.yaml

@@ -9,7 +9,7 @@ rocmImage:
 uiImage:
   repository: ghcr.io/open-webui/open-webui
   pullPolicy: IfNotPresent
-  tag: latest@sha256:a439e8bcd23a8cc0e9ab742b03f1baecb829281476357b99226e13233e663508
+  tag: latest@sha256:74a5ee5c453e628c2bcd33a41dfe4dcf62d187fedf4867d6b8a087178cd88aa6
 
 securityContext:
   container: