fix: use compose-prefixed Docker network name for deployments

Docker Compose prefixes network names with the project name, so the
actual network is cameleer-saas_cameleer, not just cameleer. Pass
CAMELEER_DOCKER_NETWORK env var using COMPOSE_PROJECT_NAME.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -154,6 +154,7 @@ services:
       LOGTO_M2M_CLIENT_SECRET: ${LOGTO_M2M_CLIENT_SECRET:-}
       CAMELEER3_SERVER_ENDPOINT: http://cameleer3-server:8081
       CAMELEER_AUTH_TOKEN: ${CAMELEER_AUTH_TOKEN:-default-bootstrap-token}
+      CAMELEER_DOCKER_NETWORK: ${COMPOSE_PROJECT_NAME:-cameleer-saas}_cameleer
       CLICKHOUSE_URL: jdbc:clickhouse://clickhouse:8123/cameleer
     labels:
       - traefik.enable=true