chore(helm): update image docker.io/searxng/searxng digest to 39f65a1 (#28987)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/searxng/searxng | digest | `8a91b62` -> `39f65a1` |

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charts/stable/searxng/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/searxng
   - https://hub.docker.com/r/searxng/searxng
 type: application
-version: 9.2.20
+version: 9.2.21

charts/stable/searxng/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/searxng/searxng
-  tag: latest@sha256:8a91b62f284b7eb0becb41e1ac5d3f4cb8206cc8a2406c0c719ca1543046ccfa
+  tag: latest@sha256:39f65a1ea4d3a066e75721e3bc86957d951e9857a2060bb43235cb4114a93b46
 workload:
   main:
     podSpec: