chore(deps): update container image balabit/syslog-ng to v4.8.0@835dec2 by renovate (#24143)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [balabit/syslog-ng](https://togithub.com/syslog-ng/syslog-ng) | minor
| `4.7.1` -> `4.8.0` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40NDAuNiIsInVwZGF0ZWRJblZlciI6IjM3LjQ0MC42IiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/syslog-ng/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 4.7.1
+appVersion: 4.8.0
 dependencies:
   - name: common
     version: 24.1.5
@@ -31,4 +31,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/syslog-ng
   - https://hub.docker.com/r/balabit/syslog-ng
 type: application
-version: 11.1.3
+version: 11.2.0

charts/stable/syslog-ng/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: balabit/syslog-ng
   pullPolicy: IfNotPresent
-  tag: 4.7.1@sha256:d37d9895256fa840bc8e70077a6c74afa27015e27703c3fbb89d5ae3cb956dd9
+  tag: 4.8.0@sha256:835dec2018cf96ee1d7051950851c07f6f11ba538d89a828e40307a47117c049
 service:
   main:
     ports: