Post-release version bump #504

Job	Run time
test-postgres (9.5)	2m 42s
test-platforms (3.8, ubuntu-latest, asyncio)	2m 16s
test-postgres (9.6)	3m 44s
test-platforms (3.8, ubuntu-latest, uvloop)	2m 19s
test-postgres (10)	3m 42s
test-postgres (11)	3m 30s
test-postgres (12)	2m 26s
test-postgres (13)	3m 37s
test-platforms (3.8, macos-latest, asyncio)	2m 34s
test-postgres (14)	2m 27s
test-platforms (3.8, macos-latest, uvloop)	5m 15s
test-postgres (15)	3m 22s
test-platforms (3.8, windows-latest, asyncio)	5m 24s
test-postgres (16)	2m 34s
test-platforms (3.9, ubuntu-latest, asyncio)	2m 8s
test-platforms (3.9, ubuntu-latest, uvloop)	2m 27s
test-platforms (3.9, macos-latest, asyncio)	3m 22s
test-platforms (3.9, macos-latest, uvloop)	2m 43s
test-platforms (3.9, windows-latest, asyncio)	4m 55s
test-platforms (3.10, ubuntu-latest, asyncio)	1m 55s
test-platforms (3.10, ubuntu-latest, uvloop)	2m 15s
test-platforms (3.10, macos-latest, asyncio)	3m 0s
test-platforms (3.10, macos-latest, uvloop)	5m 9s
test-platforms (3.10, windows-latest, asyncio)	5m 49s
test-platforms (3.11, ubuntu-latest, asyncio)	2m 17s
test-platforms (3.11, ubuntu-latest, uvloop)	2m 27s
test-platforms (3.11, macos-latest, asyncio)	2m 45s
test-platforms (3.11, macos-latest, uvloop)	2m 46s
test-platforms (3.11, windows-latest, asyncio)	5m 25s
test-platforms (3.12, ubuntu-latest, asyncio)	2m 3s
test-platforms (3.12, macos-latest, asyncio)	5m 33s
test-platforms (3.12, windows-latest, asyncio)	6m 1s
Regression Tests	1s
	1h 48m 53s

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