chore(helm): update image docker.io/mbentley/omada-controller digest to 4b90874 (#29628)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/mbentley/omada-controller](https://redirect.github.com/mbentley/docker-omada-controller)
| digest | `37cd6d4` -> `4b90874` |

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charts/stable/omada-controller/Chart.yaml

@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/omada-controller
   - https://hub.docker.com/r/mbentley/omada-controller
 type: application
-version: 16.3.17
+version: 16.3.18

charts/stable/omada-controller/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/mbentley/omada-controller
-  tag: 5.14@sha256:37cd6d44ff77ece0f79b25d352070f28b00bffae88aa0cddc5576c481ea29d84
+  tag: 5.14@sha256:4b90874dc2e6900d9c1e1572af8a8eb0dd92ebf634dce6ddfc71d98a9cea1b09
   pullPolicy: IfNotPresent
 service:
   main: