chore(omada-controller): update image docker.io/mbentley/omada-controller digest to 7fc69d5 (#43702)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/mbentley/omada-controller](https://redirect.github.com/mbentley/docker-omada-controller)
| digest | `3659906` -> `7fc69d5` |

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charts/stable/omada-controller/Chart.yaml

@@ -37,5 +37,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/omada-controller
   - https://hub.docker.com/r/mbentley/omada-controller
 type: application
-version: 18.2.14
+version: 18.2.15
 

charts/stable/omada-controller/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/mbentley/omada-controller
-  tag: 6.0@sha256:365990602ec6822d16fff6c8372b5bf9842645b013ee9b486498e8d6613a13ba
+  tag: 6.0@sha256:7fc69d548da2616400c8c9d942051749083f78a8d2b28714ea30313b560efecc
   pullPolicy: IfNotPresent
 service:
   main: