chore(deps): update container image ghcr.io/linuxserver/firefox to 126.0.1@12d105c by renovate (#24465)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/firefox](https://togithub.com/linuxserver/docker-firefox/packages)
([source](https://togithub.com/linuxserver/docker-firefox)) | digest |
`4a300d5` -> `12d105c` |

---

> [!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:eyJjcmVhdGVkSW5WZXIiOiIzOC44LjMiLCJ1cGRhdGVkSW5WZXIiOiIzOC44LjMiLCJ0YXJnZXRCcmFuY2giOiJtYXN0ZXIiLCJsYWJlbHMiOlsiYXV0b21lcmdlIiwidXBkYXRlL2RvY2tlci9nZW5lcmFsL25vbi1tYWpvciJdfQ==-->

charts/stable/firefox/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/linuxserver/docker-firefox
   - https://github.com/truecharts/charts/tree/master/charts/stable/firefox
 type: application
-version: 16.1.5
+version: 16.1.6

charts/stable/firefox/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/firefox
   pullPolicy: IfNotPresent
-  tag: 126.0.1@sha256:4a300d55fa3459a670d895ff1758f243ea35b6158038a706cea6b3fc64b672ec
+  tag: 126.0.1@sha256:12d105ce058e5095ad93fc0b766d4868599bcc8e4880b8ae5178454fb96d2050
 securityContext:
   container:
     readOnlyRootFilesystem: false