chore(helm): update image ghcr.io/linuxserver/ubooquity digest to 9c5489c (#30030)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/ubooquity](https://redirect.github.com/linuxserver/docker-ubooquity/packages)
([source](https://redirect.github.com/linuxserver/docker-ubooquity)) |
digest | `68bcb16` -> `9c5489c` |

---

> [!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:eyJjcmVhdGVkSW5WZXIiOiIzOS44Mi45IiwidXBkYXRlZEluVmVyIjoiMzkuODIuOSIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJyZW5vdmF0ZS9jb250YWluZXIiLCJ0eXBlL2RpZ2VzdCJdfQ==-->

charts/stable/ubooquity/Chart.yaml

@@ -31,4 +31,4 @@ sources:
   - https://ghcr.io/linuxserver/ubooquity
   - https://github.com/truecharts/charts/tree/master/charts/stable/ubooquity
 type: application
-version: 12.2.5
+version: 12.2.6

charts/stable/ubooquity/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/ubooquity
   pullPolicy: IfNotPresent
-  tag: 2.1.5@sha256:68bcb1667d5a73030f00a6afb77e37db3fe0bb8de5e9437b3fbad9d92d53cb76
+  tag: 2.1.5@sha256:9c5489cd9264614603e65d781ff3c4a0208593bd1a7cd91b45b0839a0a11c268
 service:
   main:
     ports: