fix example vector service in compose

Author: filipslezaklab

docker-compose.yaml

@@ -66,7 +66,7 @@ services:
       - observability
     container_name: vector
     volumes:
-      - ./configs/vector.toml:/etc/vector/vector.toml:ro
+      - ./configs/vector.yaml:/etc/vector/vector.yaml:ro
       - ./configs/key.pem:/etc/vector/key.pem:ro
       - ./configs/cert.pem:/etc/vector/cert.pem:ro
     command: ["--config", "/etc/vector/vector.yaml"]