chore(helm): update image docker.io/searxng/searxng digest to bf4a30f (#35341)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/searxng/searxng | digest | `22ca72c` -> `bf4a30f` |

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/searxng/Chart.yaml

@@ -37,5 +37,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/searxng
   - https://hub.docker.com/r/searxng/searxng
 type: application
-version: 9.5.42
+version: 9.5.43
 

charts/stable/searxng/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/searxng/searxng
-  tag: latest@sha256:22ca72c15a6b3dad6b7512e05767258a7b2715689c91b4f105928021ea386c5a
+  tag: latest@sha256:bf4a30f4d2afecc9ab7afd4727f64ece6ff3a01a2fcb12ff6690fcb865baea82
 workload:
   main:
     podSpec: