chore(deps): update authelia/authelia docker tag to v4.39.18

Author: renovate[bot]

docker-compose.yml

@@ -22,7 +22,7 @@ services:
       - session
       - smtp
       - storage-encryption-key
-    image: authelia/authelia:4.39.16
+    image: authelia/authelia:4.39.18
     networks:
       - authelia
       - traefik