Added Databricks CLI version as part of routed command telemetry

src/databricks/labs/blueprint/cli.py

@@ -4,6 +4,7 @@
 import inspect
 import json
 import logging
+import os
 import types
 from collections.abc import Callable
 from dataclasses import dataclass
@@ -85,6 +86,9 @@ def _route(self, raw):
         # user agent is set consistently with the Databricks CLI:
         # see https://github.com/databricks/cli/blob/main/cmd/root/user_agent_command.go#L35-L37
         with_user_agent_extra("cmd", command)
+        cli_version = os.environ.get("DATABRICKS_CLI_VERSION")
+        if cli_version:
+            with_user_agent_extra("cli", cli_version)
         flags = payload["flags"]
         log_level = flags.pop("log_level")
         if log_level == "disabled":