chore(helm): update image docker.io/nginxinc/nginx-unprivileged diges…

…t to 890b828 (#29542)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/nginxinc/nginx-unprivileged](https://redirect.github.com/nginxinc/docker-nginx-unprivileged)
| digest | `d7f8c13` -> `890b828` |

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charts/premium/nextcloud/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   repository: docker.io/nginxinc/nginx-unprivileged
   pullPolicy: IfNotPresent
-  tag: 1.27.2@sha256:d7f8c13955c20633fc9b7c34a88b973d0727a272f620e9f53d20eb39c3868080
+  tag: 1.27.2@sha256:890b8283159ff3eec13ee426a2cd79d5a7d7a300457074970ea14c75865dc39c
 imaginaryImage:
   repository: tccr.io/tccr/nextcloud-imaginary
   pullPolicy: IfNotPresent