chore(deps): update container image nginx to 1.25.3@84c52df by renovate (#18099)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| nginx | digest | `5f44022` -> `84c52df` |

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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xODMuMCIsInVwZGF0ZWRJblZlciI6IjM3LjE4My4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/vikunja/Chart.yaml

@@ -29,7 +29,7 @@ home: https://truecharts.org/charts/stable/vikunja
 icon: https://truecharts.org/img/hotlink-ok/chart-icons/vikunja.png
 keywords:
   - vikunja
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -38,8 +38,8 @@ name: vikunja
 sources:
   - https://vikunja.io/docs
   - https://github.com/truecharts/charts/tree/master/charts/stable/vikunja
-  - https://hub.docker.com/_/nginx
   - https://hub.docker.com/r/vikunja/api
   - https://hub.docker.com/r/vikunja/frontend
+  - https://hub.docker.com/_/nginx
 type: application
-version: 12.1.20
+version: 12.1.21

charts/stable/vikunja/values.yaml

@@ -8,7 +8,7 @@ frontendImage:
   pullPolicy: IfNotPresent
 nginxImage:
   repository: nginx
-  tag: 1.25.3@sha256:5f44022eab9198d75939d9eaa5341bc077eca16fa51d4ef32d33f1bd4c8cbe7d
+  tag: 1.25.3@sha256:84c52dfd55c467e12ef85cad6a252c0990564f03c4850799bf41dd738738691f
 workload:
   main:
     podSpec: