* Added missing job tag key in hive_sample_dag.py

Running "create_table_metadata_databuilder_job()" was giving an Exception : 
""ConfigMissingException" : No Configuration setting found for key job_publish_tag."
Hence,
Adding a missing key for job_publish_tag in "create_table_metadata_databuilder_job()" of hive_sample_dag.py.

* Made changes as per guidelines

Made changes to the code as per guidelines

* Updated the file for failing build

Updated the file for failing build