Log Message:
py-asyncpg: updated to 0.20.0

asyncpg v0.20.0

Improvements
Support Python 3.8
Support PgBouncer by sending only a single SYNC message per query

Bug Fixes
Handle IP values with prefix in "inet" type as ipaddress.IPvXInterface
Close transport if connection times out
Use faster UUID codecs; make UUID decoding/encoding/operations 2-7x faster
Use loop.start_tls() to upgrade connections to SSL

Build
Bump Cython to 0.29.14