chore(deps): update container image ghcr.io/mriedmann/humhub-nginx to v1.15.2@9a34e13 by renovate (#16888)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/mriedmann/humhub-nginx | patch | `1.15.0` -> `1.15.2` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xMjUuMSIsInVwZGF0ZWRJblZlciI6IjM3LjEyNS4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/humhub/Chart.yaml

@@ -1,7 +1,7 @@
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 apiVersion: v2
 name: humhub
-version: 6.2.1
+version: 6.2.2
 appVersion: 1.15.0
 description: A feature rich and highly flexible OpenSource Social Network Kit written in PHP.
 home: https://truecharts.org/charts/stable/humhub

charts/stable/humhub/values.yaml

@@ -5,7 +5,7 @@ image:
 nginxImage:
   pullPolicy: IfNotPresent
   repository: ghcr.io/mriedmann/humhub-nginx
-  tag: 1.15.0@sha256:3973892d38021d00cf5b2d31eb8e4a962778195d6fb1a737a464bd1126b4f6c2
+  tag: 1.15.2@sha256:9a34e1330e4fb6fc17df22e961e04b56ac63f3826e4de38c910eec41e29b6f15
 
 securityContext:
   container: