chore(helm): update image docker.io/mbentley/omada-controller digest to 40a970c (#36955)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/mbentley/omada-controller](https://redirect.github.com/mbentley/docker-omada-controller)
| digest | `e6063b6` -> `40a970c` |

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charts/stable/omada-controller/Chart.yaml

@@ -35,5 +35,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/omada-controller
   - https://hub.docker.com/r/mbentley/omada-controller
 type: application
-version: 16.7.19
+version: 16.7.20
 

charts/stable/omada-controller/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/mbentley/omada-controller
-  tag: 5.15@sha256:e6063b6d4ed2ce3dc691ec4cc0238db1ea6f5f7de97217543f2bc31890ba2b25
+  tag: 5.15@sha256:40a970c65c3d74069c15eb07ec209fae5dec0be6b1ca698fbadfabdcce6a26da
   pullPolicy: IfNotPresent
 service:
   main: