chore(container): update image ghcr.io/open-webui/open-webui to 2acb51d

[renovate]

This PR contains the following updates:

Package	Update	Change
ghcr.io/open-webui/open-webui	digest	02e2d8d -> 2acb51d

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[github-actions]

--- kubernetes/apps/default/openwebui/app Kustomization: flux-system/openwebui HelmRelease: default/openwebui

+++ kubernetes/apps/default/openwebui/app Kustomization: flux-system/openwebui HelmRelease: default/openwebui

@@ -41,13 +41,13 @@

                 valueFrom:
                   secretKeyRef:
                     key: OPENAI_API_KEY
                     name: openai
             image:
               repository: ghcr.io/open-webui/open-webui
-              tag: main@sha256:02e2d8d9b51bab2416fe3c52faa65848935b17268ae459d26aaf3536907a623d
+              tag: main@sha256:2acb51d76889e4ac4ef6afa3e5d61dda86dc8ec6ee825e13f780d7ef15dee03e
             probes:
               liveness:
                 enabled: true
               readiness:
                 enabled: true
               startup:

[github-actions]

--- HelmRelease: default/openwebui Deployment: default/openwebui

+++ HelmRelease: default/openwebui Deployment: default/openwebui

@@ -42,13 +42,13 @@

           value: https://api.openai.com/v1;https://openrouter.ai/api/v1
         - name: OPENAI_API_KEYS
           valueFrom:
             secretKeyRef:
               key: OPENAI_API_KEY
               name: openai
-        image: ghcr.io/open-webui/open-webui:main@sha256:02e2d8d9b51bab2416fe3c52faa65848935b17268ae459d26aaf3536907a623d
+        image: ghcr.io/open-webui/open-webui:main@sha256:2acb51d76889e4ac4ef6afa3e5d61dda86dc8ec6ee825e13f780d7ef15dee03e
         livenessProbe:
           failureThreshold: 3
           initialDelaySeconds: 0
           periodSeconds: 10
           tcpSocket:
             port: 8080