Update ghcr.io/searxng/searxng:latest Docker digest to b88ef00 (#753)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

searxng/docker-compose.yml

@@ -8,7 +8,7 @@ networks:
 
 services:
   searxng:
-    image: ghcr.io/searxng/searxng:latest@sha256:95e59f5ba7d48b4c7ee92f2705907e52c5b98715b0d8c4802863322a502a8c4a
+    image: ghcr.io/searxng/searxng:latest@sha256:b88ef002ab1d9a901766f9eb59779089a74e8f444477e0151fa8cd1f91a02006
     restart: unless-stopped
     depends_on:
       - redis