Add parameter for the last number of queries to the DB to the logs

[MaksYermak]

In this PR I have added a new parameter for the last number of queries to the DB to the DAG file processing stats logs. Link to the feature issue: https://github.com/apache/airflow/issues/40282

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[kosteev]

LGTM

[kosteev]

LGTM

[VladaZakharova]

Hi @potiuk ! Can you please check changes here once again? Thank you!

[potiuk]

Nice one :)