chore(helm): update image ghcr.io/linuxserver/boinc digest to 345226b (#35640)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/linuxserver/boinc | digest | `cea53cd` -> `345226b` |

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:eyJjcmVhdGVkSW5WZXIiOiIzOS4yMzguMCIsInVwZGF0ZWRJblZlciI6IjM5LjIzOC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInJlbm92YXRlL2NvbnRhaW5lciIsInR5cGUvZGlnZXN0Il19-->

charts/stable/boinc/Chart.yaml

@@ -34,5 +34,5 @@ sources:
   - https://ghcr.io/linuxserver/boinc
   - https://github.com/truecharts/charts/tree/master/charts/stable/boinc
 type: application
-version: 11.5.15
+version: 11.5.16
 

charts/stable/boinc/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/boinc
   pullPolicy: IfNotPresent
-  tag: latest@sha256:cea53cdebd791799fcde84e647f07c59b8a051f4be2ba0d2aeb14c1e200ad6fd
+  tag: latest@sha256:345226b363a84b08fc256e031f4c8e8acb776c8301bd43faf1446af9215708b7
 securityContext:
   container:
     readOnlyRootFilesystem: false