chore(helm): update image docker.io/nginxinc/nginx-unprivileged digest to 218e25d (#34472)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/nginxinc/nginx-unprivileged](https://redirect.github.com/nginx/docker-nginx-unprivileged)
| digest | `8df8fee` -> `218e25d` |

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

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charts/premium/nextcloud/Chart.yaml

@@ -52,5 +52,5 @@ sources:
   - https://hub.docker.com/r/collabora/code
   - https://hub.docker.com/r/nginxinc/nginx-unprivileged
 type: application
-version: 33.0.7
+version: 33.0.8
 

charts/premium/nextcloud/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   repository: docker.io/nginxinc/nginx-unprivileged
   pullPolicy: IfNotPresent
-  tag: 1.27.4@sha256:8df8fee6cabcd54c545a8a28a41d04a80cdcedb28c30c068e512f5a56aee4de4
+  tag: 1.27.4@sha256:218e25d58d22541b93613a61a04bf6e7d0e337b3384b6f890e83b9a1027480d1
 imaginaryImage:
   repository: tccr.io/tccr/nextcloud-imaginary
   pullPolicy: IfNotPresent