chore(deps): update container image nginxinc/nginx-unprivileged to 1.27.1@46dafc1 by renovate (#25528)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[nginxinc/nginx-unprivileged](https://togithub.com/nginxinc/docker-nginx-unprivileged)
| digest | `ad6b833` -> `46dafc1` |

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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: 31.4.14
+version: 31.4.15

charts/premium/nextcloud/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   repository: nginxinc/nginx-unprivileged
   pullPolicy: IfNotPresent
-  tag: 1.27.1@sha256:ad6b833a16dc1d2e2234f70ec65c2fca7987db7d997c62dc13a10678c983a412
+  tag: 1.27.1@sha256:46dafc15143e8b97ec827b3dd330639fb509569f7b2c550491962ceeb6d3ae8d
 imaginaryImage:
   repository: tccr.io/tccr/nextcloud-imaginary
   pullPolicy: IfNotPresent