chore(deps): update container image nginxinc/nginx-unprivileged to 1.27.1@c02e7b9 by renovate (#25804)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[nginxinc/nginx-unprivileged](https://redirect.github.com/nginxinc/docker-nginx-unprivileged)
| digest | `46dafc1` -> `c02e7b9` |

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charts/premium/nextcloud/Chart.yaml

@@ -49,4 +49,4 @@ sources:
   - https://hub.docker.com/r/collabora/code
   - https://hub.docker.com/r/nginxinc/nginx-unprivileged
 type: application
-version: 31.4.20
+version: 31.4.21

charts/premium/nextcloud/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   repository: nginxinc/nginx-unprivileged
   pullPolicy: IfNotPresent
-  tag: 1.27.1@sha256:46dafc15143e8b97ec827b3dd330639fb509569f7b2c550491962ceeb6d3ae8d
+  tag: 1.27.1@sha256:c02e7b90670bc37fa7f61b64a266e3a7dc7eb1fda3df753db2a50a6b0657c27d
 imaginaryImage:
   repository: tccr.io/tccr/nextcloud-imaginary
   pullPolicy: IfNotPresent