Add telemetry event for databricks bundle init

[shreyas-goenka]

Changes

This PR adds telemetry logging for databricks bundle init usage.

Tests

Unit, integration tests and manually.

Manual logs:

.venv➜  template-playground cli bundle init ~/cli/libs/template/templates/default-python -p dogfood -
-debug
✨ Your new project has been created in the 'my_project' directory!

Please refer to the README.md file for "getting started" instructions.
See also the documentation at https://docs.databricks.com/dev-tools/bundles/index.html.
02:00:38 DEBUG POST /telemetry-ext
> {
>   "items": null,
>   "protoLogs": [
>     "{\"frontend_log_event_id\":\"9377e787-3ca6-4a48-afcb-ee8e186b7939\",\"entry\":{\"databricks_cli_log\":{\"... (97 more bytes)"
>   ],
>   "uploadTime": 1736195437
> }
< HTTP/2.0 200 OK
< {
<   "errors": null,
<   "numProtoSuccess": 1,
<   "numSuccess": 0
< } pid=58408 sdk=true
02:00:38 DEBUG Successfully flushed telemetry events pid=58408
02:00:38  INFO completed execution pid=58408 exit_code=0