fix: use system PATH for Docker binary instead of hardcoded path

src/crewai/agent.py

@@ -702,7 +702,7 @@ class Agent(BaseAgent):
 
         try:
             subprocess.run(
-                ["/usr/bin/docker", "info"],
+                ["docker", "info"],  # noqa: S607
                 check=True,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE,