add missing secret key for authenthik-worker

docker-compose.authentik.yml

@@ -60,6 +60,7 @@ services:
     restart: unless-stopped
     command: worker
     environment:
+      AUTHENTIK_SECRET_KEY: ${AUTHENTIK_SECRET_KEY}
       AUTHENTIK_REDIS__HOST: authentik-redis
       AUTHENTIK_POSTGRESQL__HOST: authentik-postgresql
       AUTHENTIK_POSTGRESQL__USER: ${AUTHENTIK_PG_USER:-authentik}