Implement SSPI authentication #534

Job	Run time	Billable time
test-postgres (9.5)	5m 9s	0s
test-postgres (9.6)	4m 26s	0s
test-platforms (3.8, ubuntu-latest, asyncio)	3m 41s	0s
test-postgres (10)	3m 47s	0s
test-platforms (3.8, ubuntu-latest, uvloop)	3m 28s	0s
test-postgres (11)	4m 7s	0s
test-platforms (3.8, macos-latest, asyncio)	2m 42s	0s
test-platforms (3.8, macos-latest, uvloop)	2m 42s	0s
test-postgres (12)	4m 41s	0s
test-platforms (3.8, windows-latest, asyncio)	5m 6s	0s
test-postgres (13)	5m 10s	0s
test-platforms (3.9, ubuntu-latest, asyncio)	3m 25s	0s
test-postgres (14)	3m 50s	0s
test-platforms (3.9, ubuntu-latest, uvloop)	3m 29s	0s
test-postgres (15)	4m 43s	0s
test-postgres (16)	4m 49s	0s
test-platforms (3.9, macos-latest, asyncio)	3m 34s	0s
test-platforms (3.9, macos-latest, uvloop)	2m 57s	0s
test-platforms (3.9, windows-latest, asyncio)	5m 29s	0s
test-platforms (3.10, ubuntu-latest, asyncio)	3m 0s	0s
test-platforms (3.10, ubuntu-latest, uvloop)	3m 4s	0s
test-platforms (3.10, macos-latest, asyncio)	2m 42s	0s
test-platforms (3.10, macos-latest, uvloop)	2m 45s	0s
test-platforms (3.10, windows-latest, asyncio)	5m 54s	0s
test-platforms (3.11, ubuntu-latest, asyncio)	2m 56s	0s
test-platforms (3.11, ubuntu-latest, uvloop)	3m 15s	0s
test-platforms (3.11, macos-latest, asyncio)	3m 37s	0s
test-platforms (3.11, macos-latest, uvloop)	3m 2s	0s
test-platforms (3.11, windows-latest, asyncio)	5m 7s	0s
test-platforms (3.12, ubuntu-latest, asyncio)	3m 32s	0s
test-platforms (3.12, macos-latest, asyncio)	3m 39s	0s
test-platforms (3.12, windows-latest, asyncio)	5m 55s	0s
Regression Tests	1s	0s
	2h 5m 44s	0s

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