chore(helm): update image ghcr.io/open-webui/open-webui digest to 9b7fb38 (#32696)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/open-webui/open-webui | digest | `4450eb0` -> `9b7fb38` |

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

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### Configuration

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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charts/stable/ollama/Chart.yaml

@@ -35,4 +35,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/ollama
   - https://hub.docker.com/r/ollama/ollama
 type: application
-version: 7.11.10
+version: 7.11.11

charts/stable/ollama/values.yaml

@@ -9,7 +9,7 @@ rocmImage:
 uiImage:
   repository: ghcr.io/open-webui/open-webui
   pullPolicy: IfNotPresent
-  tag: latest@sha256:4450eb013528cbb49d8c4ea83602fb918be7dc01cabd492f8302184b78b793f2
+  tag: latest@sha256:9b7fb388f0828b597e67c263667214c93592cbc5cac3047be89f5e92bc1085ba
 
 securityContext:
   container: