chore(deps): update container image nginx to 1.27.0@cfe5f9a by renovate (#25071)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| nginx | digest | `81dbf3e` -> `cfe5f9a` |

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This PR has been generated by [Renovate
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charts/stable/vikunja/Chart.yaml

@@ -41,4 +41,4 @@ sources:
   - https://hub.docker.com/r/vikunja/frontend
   - https://vikunja.io/docs
 type: application
-version: 15.2.4
+version: 15.2.5

charts/stable/vikunja/values.yaml

@@ -8,7 +8,7 @@ frontendImage:
   pullPolicy: IfNotPresent
 nginxImage:
   repository: nginx
-  tag: 1.27.0@sha256:81dbf3ecf1120d90ace4593096bb650a2d11d4a11d24c3aaea5bef7c9bbb2c88
+  tag: 1.27.0@sha256:cfe5f9a63c7c5098a2122fe87a07dffe5e9bd7178d8e804a019dc831ad8f4d0d
 workload:
   main:
     podSpec: