asyncpg v0.28.0

[elprans]

Minor fixes and improvements.

Changes

• Do not try to cleanup statements (Do not try to cleanup anonymous statements #981)
  (by @fvannee in d2e710f for Do not try to cleanup anonymous statements #981)

• Add Pool.is_closing() method (Add Pool.is_closing() method #973)
  (by @singingwolfboy in 9cb2c1c for Add Pool.is_closing() method #973)

• Fix test_tls_version for LibreSSL (Fix test_tls_version for LibreSSL #974)
  (by @CyberTailor in 7df9812 for Fix test_tls_version for LibreSSL #974)

• Handle environments without home dir (Handle environments without home dir #1011)
  (by @LeonardBesson in 172b8f6 for Handle environments without home dir #1011)

• fix: salt and iterations parsing for scram (fix: salt and iterations parsing for scram #1026)
  (by @trigonometr in 7443a9e for fix: salt and iterations parsing for scram #1026)

• Add support for target_session_attrs (Target session attr (2) #987)
  (by @JesseDeLoore in bf74e88 for Target session attr (2) #987)

• Add support for READ UNCOMMITTED (Add support for READ UNCOMMITTED #1039)
  (by @benwah in 2f20bae for Add support for READ UNCOMMITTED #1039)

• Update benchmarks, add psycopg3 (Update benchmarks, add psycopg3 #1042)
  (by @elprans in 7d4fcf0 for Update benchmarks, add psycopg3 #1042)