chore(helm): update image docker.io/ronnieroller/media-roller digest to a728b05 (#29401)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/ronnieroller/media-roller | digest | `8f1b926` -> `a728b05`
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xNDIuNyIsInVwZGF0ZWRJblZlciI6IjM4LjE0Mi43IiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInJlbm92YXRlL2NvbnRhaW5lciIsInR5cGUvZGlnZXN0Il19-->

charts/stable/media-roller/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/media-roller
   - https://hub.docker.com/r/ronnieroller/media-roller
 type: application
-version: 7.2.8
+version: 7.2.9

charts/stable/media-roller/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/ronnieroller/media-roller
-  tag: latest@sha256:8f1b926a1d78d1c4d17e5e6457cec42796af683353d4694fbca9ffb40ae64e74
+  tag: latest@sha256:a728b0509b7b0e453575508ccc30ecfdff1b2c415740f2bf2af60a45bdd19942
 persistence:
   download:
     enabled: true