chore(deps): update humhub by renovate (#18457)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/mriedmann/humhub-nginx | digest | `9a34e13` -> `cbf87f7` |
|
[ghcr.io/mriedmann/humhub-phponly](https://togithub.com/mriedmann/humhub-docker)
| digest | `9987a9e` -> `9d5d90b` |

---

> [!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:eyJjcmVhdGVkSW5WZXIiOiIzNy4yMDMuMSIsInVwZGF0ZWRJblZlciI6IjM3LjIwMy4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/humhub/Chart.yaml

@@ -37,7 +37,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/humhub.png
 keywords:
   - humhub
   - Network-Web
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -48,4 +48,4 @@ sources:
   - https://ghcr.io/mriedmann/humhub-nginx
   - https://ghcr.io/mriedmann/humhub-phponly
 type: application
-version: 6.3.0
+version: 6.3.2

charts/stable/humhub/values.yaml

@@ -1,11 +1,11 @@
 image:
   pullPolicy: IfNotPresent
   repository: ghcr.io/mriedmann/humhub-phponly
-  tag: 1.15.2@sha256:9987a9e856e682c82846512f813b4dc7fb02235190e35ae1727b239f99e99544
+  tag: 1.15.2@sha256:9d5d90b695cc3062dbd8a828e0b1676db179077cd1430e76069e40baef93cc0d
 nginxImage:
   pullPolicy: IfNotPresent
   repository: ghcr.io/mriedmann/humhub-nginx
-  tag: 1.15.2@sha256:9a34e1330e4fb6fc17df22e961e04b56ac63f3826e4de38c910eec41e29b6f15
+  tag: 1.15.2@sha256:cbf87f7b6b7d935d27e62a2600ba288d3b4246c9f2e4df0ac19d1cde88803eb4
 
 securityContext:
   container: