Add time-based partitioning and archive operations method (#12) (#19) #79

Job	Run time
Test pgmq-sqlalchemy (Python 3.9, Driver psycopg2)	2m 15s
Test pgmq-sqlalchemy (Python 3.9, Driver asyncpg)	1m 51s
Test pgmq-sqlalchemy (Python 3.9, Driver psycopg)	2m 14s
Test pgmq-sqlalchemy (Python 3.10, Driver pg8000)	2m 55s
Test pgmq-sqlalchemy (Python 3.12, Driver psycopg2cffi)	2m 19s
Test pgmq-sqlalchemy (Python 3.12, Driver asyncpg)	1m 48s
Test pgmq-sqlalchemy (Python 3.11, Driver pg8000)	2m 49s
Test pgmq-sqlalchemy (Python 3.10, Driver psycopg)	2m 13s
Test pgmq-sqlalchemy (Python 3.11, Driver psycopg)	2m 15s
Test pgmq-sqlalchemy (Python 3.12, Driver psycopg2)	2m 9s
Test pgmq-sqlalchemy (Python 3.9, Driver pg8000)	3m 1s
Test pgmq-sqlalchemy (Python 3.11, Driver psycopg2)	2m 11s
Test pgmq-sqlalchemy (Python 3.11, Driver asyncpg)	1m 44s
Test pgmq-sqlalchemy (Python 3.10, Driver asyncpg)	1m 51s
Test pgmq-sqlalchemy (Python 3.12, Driver psycopg)	2m 14s
Test pgmq-sqlalchemy (Python 3.9, Driver psycopg2cffi)	2m 22s
Test pgmq-sqlalchemy (Python 3.12, Driver pg8000)	3m 4s
Test pgmq-sqlalchemy (Python 3.10, Driver psycopg2cffi)	2m 13s
Test pgmq-sqlalchemy (Python 3.10, Driver psycopg2)	2m 13s
Test pgmq-sqlalchemy (Python 3.11, Driver psycopg2cffi)	2m 13s
Upload coverage to Codecov	11s
	46m 5s

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