chore(helm): update image docker.io/bitnami/matomo digest to 6ce5cfb (#29058)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/bitnami/matomo](https://redirect.github.com/bitnami/containers)
([source](https://redirect.github.com/bitnami/containers/tree/HEAD/bitnami/matomo))
| digest | `d034825` -> `6ce5cfb` |

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charts/stable/matomo/Chart.yaml

@@ -40,4 +40,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/matomo
   - https://hub.docker.com/r/bitnami/matomo
 type: application
-version: 15.7.5
+version: 15.7.6

charts/stable/matomo/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/bitnami/matomo
-  tag: 5.1.2@sha256:d03482596ecd9df128bf57dc7eb790bbdc2889a36dd3b06e937df46d6c376345
+  tag: 5.1.2@sha256:6ce5cfb4c370f4048bcb9a9a0f2fc88a9ae4eb2220aab45395321a02b12aec63
   pullPolicy: IfNotPresent
 securityContext:
   container: