chore(helm): update image ghcr.io/linuxserver/medusa digest to 91eb738 (#41750)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/medusa](https://redirect.github.com/linuxserver/docker-medusa/packages)
([source](https://redirect.github.com/linuxserver/docker-medusa)) |
digest | `4f2d371` -> `91eb738` |

---

> [!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:eyJjcmVhdGVkSW5WZXIiOiI0Mi4xMC4zIiwidXBkYXRlZEluVmVyIjoiNDIuMTAuMyIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJyZW5vdmF0ZS9jb250YWluZXIiLCJ0eXBlL2RpZ2VzdCJdfQ==-->

charts/stable/medusa/Chart.yaml

@@ -43,5 +43,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/medusa
   - https://pymedusa.com/
 type: application
-version: 13.11.8
+version: 13.11.9
 

charts/stable/medusa/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/medusa
   pullPolicy: IfNotPresent
-  tag: 1.0.25@sha256:4f2d3719153a135925b4acf95bba12fcb8825f83c68db52c45d257f0d17ed8e9
+  tag: 1.0.25@sha256:91eb73896047fa3d9adc8d92a03103f7be1f608668fa02c4d01214a591f47f20
 service:
   main:
     ports: