chore(helm): update image docker.io/bitnami/matomo digest to 88192e4 (#28271)

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 | `f635d88` -> `88192e4` |

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to pin your dependencies.

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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: 15.7.1
+version: 15.7.2

charts/stable/matomo/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/bitnami/matomo
-  tag: 5.1.2@sha256:f635d88c2b77094f5a12de7ab58d303564238c5614e803708db3af48887e06c9
+  tag: 5.1.2@sha256:88192e4114ca509a68c219a361326f329bbb7a73aed9d892695853e23048bcff
   pullPolicy: IfNotPresent
 securityContext:
   container: