Update src/zenml/constants.py

Co-authored-by: Michael Schuster <[email protected]>

Author: Json-Andriopoulos

src/zenml/constants.py

@@ -439,7 +439,7 @@ def handle_int_env_var(var: str, default: int = 0) -> int:
 STATUS = "/status"
 STEP_CONFIGURATION = "/step-configuration"
 STEPS = "/steps"
-HEARTBEAT = "heartbeat"
+HEARTBEAT = "/heartbeat"
 STOP = "/stop"
 TAGS = "/tags"
 TAG_RESOURCES = "/tag_resources"