chore(helm): update image ghcr.io/linuxserver/freshrss digest to ad4c0a7 (#29097)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/freshrss](https://redirect.github.com/linuxserver/docker-freshrss/packages)
([source](https://redirect.github.com/linuxserver/docker-freshrss)) |
digest | `51ab93c` -> `ad4c0a7` |

---

> [!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/freshrss/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/FreshRSS/FreshRSS
   - https://github.com/truecharts/charts/tree/master/charts/stable/freshrss
 type: application
-version: 20.2.3
+version: 20.2.4

charts/stable/freshrss/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/freshrss
   pullPolicy: IfNotPresent
-  tag: 1.24.3@sha256:51ab93c927d3b178e4550f33f7b02cd61acb9854cff4af6e1e66f8058fff3a60
+  tag: 1.24.3@sha256:ad4c0a7cd6cabb9b2b46f128536c9e8e5e715e5b2bc08098ea54e1491655fb86
 securityContext:
   container:
     readOnlyRootFilesystem: false