chore(deps): update container image ghcr.io/linuxserver/medusa to 1.0.21@b8e99dc by renovate (#23878)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/medusa](https://togithub.com/linuxserver/docker-medusa/packages)
([source](https://togithub.com/linuxserver/docker-medusa)) | digest |
`8f42360` -> `b8e99dc` |

---

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

---

### 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://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40MjAuMSIsInVwZGF0ZWRJblZlciI6IjM3LjQyMC4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/medusa/Chart.yaml

@@ -38,4 +38,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/medusa
   - https://pymedusa.com/
 type: application
-version: 12.1.3
+version: 12.1.4

charts/stable/medusa/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/medusa
   pullPolicy: IfNotPresent
-  tag: 1.0.21@sha256:8f4236036469f7c6bc1fa17f0cdac6efdf245b19e1ad233c1f3fcb7a3ec8e73b
+  tag: 1.0.21@sha256:b8e99dc0566b597bf8debf9c6f57c9d0d915ad280d699ab572c34d3518c5014d
 service:
   main:
     ports: