chore(deps): update container image ghcr.io/linuxserver/znc to 1.9.1@23e9d4b by renovate (#26000)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/znc](https://redirect.github.com/linuxserver/docker-znc/packages)
([source](https://redirect.github.com/linuxserver/docker-znc)) | digest
| `d68f976` -> `23e9d4b` |

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charts/stable/znc/Chart.yaml

@@ -31,4 +31,4 @@ sources:
   - https://ghcr.io/linuxserver/znc
   - https://github.com/truecharts/charts/tree/master/charts/stable/znc
 type: application
-version: 11.1.7
+version: 11.1.8

charts/stable/znc/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/znc
   pullPolicy: IfNotPresent
-  tag: 1.9.1@sha256:d68f97670b3d9b262312c1b9544f7bb320170ded80d941ebf5d31c546e8941b0
+  tag: 1.9.1@sha256:23e9d4b104b29e361bc5082ef325b7266f83ba36fb1a6e799fe01edb9fe9f5cc
 service:
   main:
     ports: