[deps] Update redis Docker tag to v8.6.0 (#14487)

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

Author: renovate[bot]

opencti-platform/opencti-dev/docker-compose.yml

@@ -1,7 +1,7 @@
 services:
   opencti-dev-redis:
     container_name: opencti-dev-redis
-    image: redis:8.4.0
+    image: redis:8.6.0
     restart: unless-stopped
     ports:
       - 6379:6379

scripts/ci/docker-compose.yml

@@ -2,7 +2,7 @@ services:
   redis:
     container_name: redis
     profiles: ["backend"]
-    image: redis:8.4.0
+    image: redis:8.6.0
     restart: unless-stopped
     networks:
       - runner-docker-network