Update ghcr.io/searxng/searxng Docker tag to v2026.6.28-8605230eb (#1500)

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

Author: renovate[bot]

my-apps/privacy/searxng/deployment.yaml

@@ -47,7 +47,7 @@ spec:
               memory: 32Mi
       containers:
         - name: searxng
-          image: ghcr.io/searxng/searxng:2026.6.22-952896d29
+          image: ghcr.io/searxng/searxng:2026.6.28-8605230eb
           resources:
             requests:
               memory: 100M