oci os object sync help is incorrect on parameters and required fields

[et304383]

Two issues:

• The parameter is -bn (one hyphen) but the examples all have --bn (two hyphens)
• --src-dir is a required field but is listed as optional

[meghaagarwal-dev]

oci os object sync --help Usage: oci os object sync [OPTIONS]

Synchronizes a filesystem directory with objects in a bucket. Traverses sub-directories copying new and modified files or objects from the source to the destination and optionally deleting those that are not present in the source.

Options: -ns, --namespace, --namespace-name TEXT The top-level namespace used for the request. If not provided, this parameter will be obtained internally using a call to 'oci os ns get'

-bn, --bucket-name TEXT The name of the bucket. [required]

The bn parameter is correctly mentioned in the examples